Dashboard > Directory > Last.fm API Profile

Last.fm Mashups

1000 songsMatches up The Guardian's "1000 songs to hear before you die" with Last.FM listener stats, and displays lyrics for each song from LyricWiki.org  
44tips - your visual start pageWith 44tips.com you create a startpage with your favorite content. Import your photos, videos, music, bookmarks. View your favorite websites in one place. Discover similar content. Collect, save and share your content.  
Akama MusicA mashup to enable users to access info, news and photos of a musician in one place, and access lyrics where applicable.  
Album Art CloudThe Album Cloud is like a tag cloud but uses images instead of text. It takes your top played albums and sizes each cover based on the number of plays. It includes links to similar users and can be embedded in other sites.  
Altio DiagramChart your musical relationships with your friends.  
ApiTickrCollection of widgets for different APIs that can be embedded.  
Arcane PillageSearches music videos on YouTube and audio tracks on Last.fm. In Japanese and English.  
Artist Cloud iGoogle GadgetiGoogle gadget of the popular Music Artist Cloud mashup for music discovery based on similar artists.  
AudiggleAudiggle allows users to identify music using just their PC. Be it a YouTube clip, TV show on Hulu, internet radio, DVD or any other source, Audiggle can find the title and artist. Also features a mashup of lyrics, concerts, videos, band info and albums.  
Austin City Limits Music Festival radioDiscover all the artists playing at thse 2013 Austin City Limits Music Festival taking place on October 4-6 & 11-13 in Austin, TX with ACL.fm, the unofficial radio app for ACL Fest.  
Automagical.lyAutomagical.ly is a free service that monitors stuff you're interested in and notifies you when things happen.  
Bandcamp ScrobblerA music discovery tool built on Bandcamp and Last.fm. Browse through and listen to Bandcamp's extensive catalog of independent music with intelligent recommendations powered by Last.fm. For existing Last.fm members, it scrobbles your listens, provides personalized recommendations, and submits your "loved" tracks.  
BandsintownBandsintown consolidates ticket prices, concert information, and live concert media all in one place. Bandsintown implemented the Echo Nest audio feeds in their music player to allow users to sample an artist who is playing a local concert.  
BandStalkTracks new music releases from selected artists. Imports lists from Facebook and Last.fm and notifies via email.  
BassiclyBassicly is an App that utilises multiple APIs to provide a service that allows people to listen to bass orientated / electronic music in a seamless interface. Bassicly was created as a result of frustrations with listening to the vast amount of musical content available on YouTube but not having an easy to use interface to do it with. As well as being able to play music from YouTube, you can make it scrobble the tracks you are listening to in real time to Last.fm.  
Beardscratchers CompendiumA music-based mashup that connects and filters disparate music metadata from across the Web, with an aim towards accuracy and focus on the music. Combines many different APIs from YouTube to Last.fm.  
BeathoundNew releases from the artists you love, straight to your inbox every week.  
biblifyBiblify creates Spotify playlists from the latest album reviews from across the web.  
BizScramblerBizScrambler is your go to source for everything local. BizScambler is building a real time community of businesses that's accessible 24/365 on mobile and traditional computing devices. BizScambler is giving the power back to consumers and businesses in a whole new way. Businesses get free mobile apps, and consumers get free information.  
Blog JuiceBlog Juice is a bookmarklet that looks for a MyBlogLog identifier on the current page and uses the API and 9 other services to find information about its recent readers roll. Bookmark users for later and visit their sites, all without leaving the page.  
blueorganizerThe blueorganizer is the smart browser extension for Firefox. With this organizer the web turns into everyday objects like books, cars, restaurants and movies. Collect things with 1 click, find new information and share what you find with your friends.  
boxeeBoxee is an open, social media center for Mac os x and Linux that is a fork of Open Source XBMC media center software. It integrates various APIs including ffwd, Last.fm, and flickr.  
BriteclickBriteclick is a search that displays multiple sources of relevant information in a sidebar. View results without being forced to leave your current page.  
CD Collection BrowserThis is a mashup I made to browse my CD collection online.  
Charts.fmCreate your own charts, find new music or radio stations, watch the videos of your favorite artist or band.  
Cloud Last.fmA Last.fm gadget that gives a custom tag cloud on iGoogle based on genre labels input by and identified with a Last.fm ID. A Facebook version is available as well.  
Coast RackCoast Rack searches for artists tracks and their videos from sources including Last.fm, MusicBrainz, and YouTube.  
ComedifyDirectory of stand-up comedians and other comedy artists on Spotify.  
Comprendo"What the author meant?" - find song lyrics and interpretations, share your thoughts.  
Covers.FMFind and compare cover versions of songs on Spotify, and compare Last.FM playcounts  
dbrecMusic recommendations and explanations for about 40,000 artists and bands. Uses linked data and semantic web techniques to make connections.  
DinleDinle.org is a music mashup site, containing information about music artists, including albums, mp3s, videos and pictures. Dinle.org is in the Turkish language. Dinle means listen.  
Dj ACCDj ACC is the new address for free online metal music. Everyday it plays great songs continuously in each genre from the best metal bands in the world. You can share tracks with your friends if you like. Select your genre, listen great music, share it and enjoy. Stay heavy, stay with metal.  
djtxtThrowing a party? With djtxt you can set up a crowdsourced party playlist in one click. Your party guests send in song requests by text message, and djtxt plays their tunes.  
DoAt (do@) DoAt (do@) is a new mobile search engine for the iPhone. DoAt is an open platform for answering search queries and any developer can submit a web app to answer any type of query (music, movies, weather, restaurants, etc.).  
DubtuneDubtune uses YouTube, Soundcloud and Last.fm to create a Dubstep listening platform for fans of the genre. Soundcloud and Youtube are used as the basis for media streaming and Last.fm for meta data.  
Echoes - KazuloEchoes is a "Real-time topic mashup homepage". Our objective is to automate the generation of useful and relevant homepages for any topic search. The homepages are built using several different APIs, semantic web resources, and user-generated-co  
EletrohitzBrazilian site that shows music suggestions along with music videos.  
esFreshMusic videos on demand. Includes data from Last.fm and YouTube.  
Estonian Music DatabaseA site about Estonian music ja bands. Youtube and vimeo videos are updated automatically and similar artists are shown based on last.fm similar artists feed. The website is running on Wordpress blogging system.  
ExitAheadSearch eBay for music by artists from your last.fm profile.  
Facebook Music with Last.FM and MTVFacebook app that displays all your Last.FM charts and recently purchased items from Items. Allows previewing of music and has artist profiles with Music Videos from MTV.  
FathomFathom leverages the Rdio and Last.fm APIs to provide an immersive music service. With each click, Fathom provides new artists and songs that adhere to the users preferences.  
FavtapeCreate playlists and stream them directly from Seeqpod.  
FbFriendFinder.comFind friends from your other social networks on Facebook and send them friend requests instantly!  
FeedrevolutionTell feedrevolution about what artists you like, and it will tell you when your artists releases new material. Feedrevolution will feed you news about your artists via RSS, Email or Web updates. Artist library can be synched with last.fm accounts.  
FillUs.inMicroblogging with a twist. Instead of typing text, just fill in a couple of blanks. FillUs.in integrates with Google Maps for location data, Last.fm for music playlists and YouTube for video viewing.  
FindBooSearch your favorite video sites, listen to music radio stations, play free online games, all in one stop and one click to start without leaving the site.  
FlokoonFlokoon is a visual search engine that lets you explore websites in a Flash-based visualization. Uses APIs including Last.fm for music data and YouTube for video.  
FOAFsterA prototype visualizer for Friend Of A Friend relationship objects. It mashes up MyBlogLog FOAF objects, and adds favorites from del.icio.us, Digg, Last.fm, LinkedIn, StumbleUpon, Upcoming, Tumbler, Twitter, and YouTube if it can find them.  
FoxyTunes PlanetUniversal personalized music mashup integrating many music resources into one convenient place, then making them available through the FoxyTunes browser extension, which supports more than 30 media players and music services.  
FriendbinderFriendbinder brings together your friends from different social networks. It lets you keep track of all your friends in one place, saving you time and lets you post updates.  
FriendCompareCompare your musical interests with your last.fm friends and neighbors. See what's similar between you and your friends as well as what's different; and in the process discover music or artists that you never knew you loved!  
Gajeebo Search Aggregation EngineGajeebo is a search aggregation engine. It retrieves and aggregates results from world's most popular sites. These results are showcased under various tabs, thus streamlining the search and saving time.  
Genre quizGuess which genre the artists belong to.  
Geo Event FinderGeo Event Finder is a Mashup that allows to locate musical events around the world using interactive tools on the screen as searching by artist name, city name or selecting an area over the map.  
GeomusicVisualization of your favorite artists on the world map.  
GigfreaksConcerts and live music recommendation engine. The site generates a list of shows that you will like based on a single liked artist or band. Location filters, rss, artist and album information make the site fun and useful.  
GigometerFetches gigs from last.fm directly to your Mac Dashboard. Now location-aware via skyhook and GeoNames.  
GigpigGig Pig is a personalised gig guide for Australia. From national rock concerts to your mates band down at the local. Unlike other Australian gig guides, Gig Pig totally operates on user-generated data.  
Glastonbury 2009 Lineup MashupA mashup adding information from last.fm, amazon, the BBC and through them Music Brainz and Wikipedia, as well as music from LazyTune and videos from Google to the Glastonbury 2009 lineup. Includes Facebook app to mark bands.  
Google Maps and Last.FM MashupThis demo finds local music events and plots them on a Google map.  
HeadupHeadup is a Semantic Web Firefox addon that brings you content related to your interests, friends and contacts.  
HyckeHycke helps you to discover what movie, tv show or music you should like, based on your tastes. With recommendations for movies, tv shows and music  
I Love Music VideoMusic video viewer for Last.fm users. The music video can be seen from the chart of Last.fm very easily.  
idiomagA personalized content channel, currently focused on music. It creates a mashup magazine with news, reviews, videos, and images all based on your own music taste. Uses over 9 different APIs.  
iMusicMashMobile web app. Integrates an iTunes library, videos from YouTube, lyrics from LyricWiki and similar songs from LastFm. Recently added photos from Yahoo's BOSS API, Eventful concerts, and Twitter.  
Indie TubeCollection of indie rock videos from YouTube. With corresponding links into Last.fm music.  
InflooenzInflooenz is a music discovery tool based on the concept of influences. It allows the user to get introduced to unknown musicians through their favorite ones in a friendly way. Inflooenz creates a playlist with the very best of each influencer to showcase their work and populates other relevant information for a friendly first approach. Its main difference against other recommendation engines is that 'influence' is a wider concept than similarity: while still related to a starting point (the favorite artist), the user can come up with new music that it's not 'more of the same'.  
Instant PlaylistInstant Playlist uses Last.fm and The Hype Machine to generate playlists based on what you feel like listening to, then allows you to listen via Spotify.  
Ivy FM - Discover new music every dayDiscover new music every day with Ivy FM. It plays great songs continuously in each genre from the best artists in the world. Select your channel, listen great music, share it and enjoy.  
Jiffy LyricsA Google-like instant lyrics search website using musiXmatch's API and YouTube to listen to songs.  
jQuery LifestreamShow a stream of your online activity using this jQuery lifestream plugin.  
JukesyA well-organized way to play music videos.  
Konsrtr.comSite that helps you discover music close to you by mashing up information about the artists appearing in your city.  
KosmixKosmix scours the Web to automatically generate home pages for any topic.  
LalaclickA unique music player with a sophisticated playlist philosophy and machine learning methods to turn any playlist idea into reality.  
Last Echos in the CloudProvide your lastfm username and the script will get your Top Played Artists of the last 12 months, fetch the three latest reviews from Cloudspeakers and the top two similar artists from Echo Nest.  
Last on AM/FMVisualizes what's currently playing on your radio station and maps the artists to their place of residence or origin. You can also add your last.fm recently played tracks.  
Last.fm Favourite Artist NewsReturns an RSS feed from Google containing the latest news about your favourite artists, as listed in your Last.fm profile.  
Last.fm for MobileGet the source code of Last.fm for mobile on top of fring and see how easy it is to build additional mobile apps, integrating community and streaming music. Written in PHP.  
Last.fm Missing Album FinderOnce upon a time, a musicologist was wondering if his music collection was complete. He began to research his last.fm's library to find lost albums. As time pasted by, he reckoned a better way was in order. This site followed shortly.  
Last.fm Music MapDiscover music events and concerts around the world. The Last.fm Music Map mixes Last.fm music social network data with Google Maps.  
Last.FM Nationality StatiticsLists the statistics from countries related to your music, and also lists the country you are hearing the most.  
Last.fm Podcast FinderEnter a last.fm username, and it recommends podcasts you'll like.  
Last.fm RankingsRank your favorite artists and albums by an estimation of how long you have spent listening to them. Normalized rankings.  
Last.fm top tracks chart generatorShows user's top tracks and it's correlation with this tracks total listening count. User can watch youtube video for any track on chart.  
Last.fm Ultimate PlaylistStream your favorite tracks online and listen to stations from your friends on Last.fm. Site is in Czech.  
Last.ifyLast.ify creates Spotify playlists from last.fm's personalized recommendations. The playlists are updated every night so every morning you awaken to a playlist of new music to discover.  
Last.tvBuild your own personal music video channel. Data from your Last.fm music profile to create a continuous playlist of videos from artists you listen to. Friends and neighbours feature allows influence from others.  
LastFaceA Mozilla Firefox extension allowing users to view what music their facebook friends listen to and how similar their tastes are. View what music their Facebook users have recently being listening to on Last.fm and what their current chart is.  
LastFM ShoutAn extension to CloudShout. Lists all current visitors to your blog that have provided their LastFM username. Clicking on them plays their LastFM library.  
LastGeoList artist events from Last.FM on a map. A student project from The University of Technology, Sydney.  
LastGGMGeographically locates last years top artists of a given Last.fm user. Freebase is queried for each musical artist, retrieving its origin. Then all of these places are shown on a map, and some statistical dispersion measures are calculated.  
LastGraphLastGraph is a mashup that builds on last.fm API, does some number crunching, data squeezing and polarity inversion, and produces graphs for the users music history.  
LastLyricsSee lyrics of songs that are playing now. Only major songs are available. A Last.fm account is required.  
LastNewsGet your personalized RSS feed containing only news of bands you like (those in your Last.fm library).  
LastTube, Last.fm Meets YoutubeLastTube uses content from Last.fm and YouTube. You can watch Youtube content based on your Recently Listened Tracks scrobbled to Last.fm.  
LastVid.comLastVid.com brings together YouTube's endless collection of music videos and the power of last.fm's music discovery service. You can also search for your last.fm username to play videos for your favorite songs.  
LFMPlayerA pure Java replacement for the Last.fm player software. Plays and records Last.fm stations and local mp3-Files, shows artist slideshow, song lyrics and more.  
Little CornerLittle Corner is a website that is used to pull your entire web presence into one place. It runs on Ruby on Rails, doesn't use a database, and is Heroku-ready.  
LookziHTML5 page that presents information about your current location.  
Lyricat Lyricat is a collaborative song lyrics translation wiki and search engine. Make a translation requests to the Lyricat community or contribute and earn reputation points.  
Lyrics MuseMashes up last.fm user data with LyricWiki lyrics for a user to easily see lyrics for a song. If lyrics cannot be fetched, they can be added by the users in a wiki-like fashion.  
M.O.M. Open Source Music PlayerAn open source music library and player that organizes your music and allows you access to it online. Set up accounts for your friends to listen, and they can create their own playlists. Uses APIs from Last.fm, Lyricsfly, LyricsWiki and YouTube.  
mashmushmashmush is a free service to stream music from the internet to your computer. Google Chrome extension is available.  
Mashup KeywordA Mashup that takes a keyword and then fetches photos, videos, blog, news and events. Developed using the Zend Framework.  
MerecalTrack new releases for books, movies, music, and video games. Add authors, actors, directors, musicians, publishers, etc. to favorites and get notified when new releases come out from that list.  
MIXTAP.INCreate and share online mixtapes by choosing individual tracks or getting one created automatically based on an artist that you like.  
MobblerThe Last.fm radio player and scrobbler for Symbian smartphones. Integrates APIs from Foursquare, Google Maps, Last.fm, Lyricsfly and Twitter.  
MolampMolamp is a really cool way of discovering and playing music. Search for an artist and Molamp returns not only videos from that artist but also recommendations of others to listen to.  
Mood MusicA site which detects your location, queries Yahoo! Weather for that location and plays the appropriate music.  
MoodFMRandom generator of music-video playlists based on the specified mood: (happy, sad, angry, relaxed) and genre. Great for finding new bands.  
Mp3 AlbumMp3Album.org is a music mashup site that has artists Mp3s, albums, videos, and images. Listen to Mp3s online. Also has popular artists by country.  
MP3 Albums and Songs DownloadsDownload mp3 songs and mp3 albums. Read the reviews and learn more about the music, see the YouTube videos. Also uses the Amazon e-commerce API.  
MP3 JAMP3 Search directory with information on each artist and genre.  
MudeoExplore musical artists with this mashup of LastFm, MySpace, YouTube, and Google Videos.  
MuecsAggregates favorites or uploaded items from popular web sites including digg, Flickr, Last.fm, Twitter and Youtube.  
Music AnchorMusic discovery on your PC using Last.fm, MusicBrainz, Amazon, eBay. Create your own playlists and stream them directly from YouTube.  
Music Artist CloudJust enter your favorite musical artist and discover all related artists. It has never been easier to find good bands. Youtube videos and amazon links included.  
Music Artist CloudDiscover Music you like using tag cloud of similar artists inclusing videoclips. Powered by Google Java App Engine.  
Music Artist Cloud AppAndroid app that lets you discover music bands and artists similar to your favorites. Integrates with Last.fm and YouTube and uses tagclouds to find related artists.  
Music Artists infoMusic Artists Info is a mashup that shows information on a chosen artist. It shows photos, biography, top albums, top tracks and upcoming events. Events are marked on a map and you can watch a video of top tracks.  
Music Cloud for Android & iPhoneMusic discovery on your smartphone using tag clouds, video clips and more.  
Music CreekPlay music videos of artists continuously, sync them between YouTube and local iTunes, and sync them with your iPod or iPhone. Also provides video playlists based on top ranking of iTMS and other sources.  
Music ExplainedSong meanings site that allows you to share your personal memories, experiences and interpretations of your favorite songs.  
Music FavmapA map of the favorite music of Last.fm listeners. Circles to the right of the map have more plays per listener. The Y axis shows chronology, with the oldest tracks at the top of the chart. The larger the circle, the more plays the artist has received.  
Music inside My HeadA mashup that is growing towards an online music encyclopedia. With information about artists, bands, albums, singles, bootlegs etc. Now working on adding streaming music and video.  
Music on TubeCombines Flickr, Last.fm and YouTube. Create your own folders, drag your videos, and view videos in a player.  
Music SpiderMSpider.net aims to help many different types of music lovers to explore music; one user can explore music of different regions or types, another might be curious to hear music related to an artist that he/she enjoys and another may want to generate a jukebox to play background music at the office. Because the music is located on youTube this creates an opportunity to find a wide range of results (interviews, live events, singles etc.). Users create stations to store their compilations and can share stations with their 'friends' by posting links on their facebook timeline.  
Music UpdatedMusic Updated helps you stay up to date with the music you like. It's like a twitter newsfeed, but dedicated to music news and upcoming albums based on the artists you follow. It acquires some of this information by leveraging the Last.fm and YouTube APIs.  
Music Videos WizardWatch music videos of songs you listen to on Last.fm. Also, watch what your Last.fm friends are listening to. Main feature is the music wizard.  
Music Web NavigatorAccess point to music-related places on the Web. Enter an artist name and get links to 50+ manually selected sites, with biographies, discographies, songs, videos, photos, reviews, tabs, lyrics, covers, and more.  
Music.Podfire.orgA music information aggregator that displays music news, album information, music videos, artists photos, music genres and tags for each artist.  
musiCalGives an RSS feed of who from your top 50 artists in last.fm are coming to your town.  
Musical Taste GeolocationSearch Last.fm users and see their location on a map.  
Musicians and their InstrumentsDolphin Music Artists is a directory of musicians and the musical instruments they play. See which guitars and amps are used by the artists.  
musicmeshWeb-based music exploration tool. Browse through a dynamically generated graph of albums that are similar to your seed album. Listen to tracks and watch videos as you browse.  
MusicNectarMusicNectar is a mashup of lastfm, and youtube. The aim of MusicNectar is to make listening to youtube music videos easier, and more informative.  
musicplaceEnjoy music with this mashup of Last.FM, Flickr, Ebay, Boo-box, Youtube, and YahooVideos.  
MusicPortlMusicPortl is a place where you can gather information about music artists, took from several interesting places all over the web. MusicPortl tells you about almost every known artists biography by featuring wikipedia articles, links to recent blog posts.  
MusicPortl.comMusicPortl is a music information portal, displaying much info on the artist you are searching for, including bio, similar artists, photos, releases and more while still keeping good page loading times by loading most of the info after display via ajax.  
MusicRamblerWhen you listen to music with Audioscrobbler, MusicRambler shows on a map images and events about the artist you are listening to. Enter your Last.FM login and then switch on Audioscrobbler. English version at www.musicrambler.org.  
MusicTonicSlick music information mashup with photos, videos and news. Search or browse artists by name or genre.  
MusicWallDiscover new artists and music with an app based on Last.fm and YouTube APIs. MusicWall creates a list after you provide an artist's name and lets you browse similar artists, discover new music, rediscover old music, or even "go classical".  
Musiic.netSearch tool for music fans where you can find MP3s, YouTube videos, Flickr images, news, songs, events, blog posts, podcasts, websites, and articles about artists.  
MusikkiMusikki is a music search engine that gives you all the information in a single page with a single search. Music videos, biography, photos, agendas and more just 1 click away.  
Musiqz - seekz musiqMashup of various music resources on the web giving you information on any artist + track combination. And also checkout the lastfmvideoclipper link.  
Muskie's Favourite Quotation MashupA mashup displaying my collected favourite quotations and sourcing data from various APIs.  
musotikEnter an artist name and get videos, discography, bio, torrents and related artists  
MuzkMeshA music mashup of Lastfm, Musicbrainz, Lyricsfly, Youtube and Google Maps.  
My Fav BandsA comprehensible site to track your favorite artists. Subscribe to RSS feeds to get informed about new releases and gigs in your city.  
My Friends and Music Cool online music player. Alternative to Lala or grooveshark. Over 8 million songs streaming all free. You can create your own playlist and share it with friends. Fully integrated with Facebook (friendsandmusic app).  
MyFavBandswebsite to track your favourite artists. subscription to RSS feeds to get informed about the new releases and gigs in your city. Email alerts for latest releases and gigs.  
Netzwelt.de Free MP3sNetzwelt.de is a German online magazine. They mashed up free and legal promo MP3s on the net with Upcoming.org tour dates, Amazon CD reviews, YouTube videos and akuma MP3 download store.  
NoisyWaveDiscover music from Twitter and listen them directly on Last.fm.  
NormalisrA little application to rank your favourite artists and albums by an estimation of how long you have spent listening to them.  
Now Playing on BBC RadioSee what tracks are playing on the radio, see artist information, news stories, events, images, biographies and reviews all in real-time to BBC national radio stations. Scrobble tracks to Last.fm or post to Facebook, all in realtime.  
nowp.lyA simple interface for watching tweets that include a "#nowplaying" tag. View music tracks mentioned on Twitter in real-time and listen to the songs in a YouTube player.  
Oatmeal Music for iPhoneA music discovery mashup that merges Last.fm, Audioscrobbler, artists with SeeqPod audio search results for discovering new music based on artists you already know. This version is optimized for the iPhone.  
Ohrwur.meOhrwurm is German for Earworm: "A tune that is stuck in one's head, especially as unwanted or repetitive". Detects those kind of songs and automatically lets the world know about them via twitter, facebook, etc.. Uses Last.fm as the basis for the listening analysis.  
One Page ArtistOne stop shop to view media and know everything about any music artist on one page. Combines YouTube, Last.fm, Google Maps and Amazon shopping APIs.  
One-Hit WondersRanks one-hit wonders, taking music listening stats from Last.fm.  
PastGigWatch YouTube videos of past gigs. Integrates with Last.fm.  
Periodic Table of Heavy MetalAn interactive Periodic Table of top Heavy Metal bands grouped by genre. Uses the Echonest and Last.fm APIs to display band information and images and links to watch videos, listen to songs and easily find more information on the bands.  
PhotohabPhotoHab is new professional social networks for photographers featuring blogging, photo sharing, interactive forums, personalized profiles, and place where photographers from all experience levels can share their knowledge and learn from others.  
pop ularityA music quiz where the player guesses which artist is most popular.  
PopifyWatch a relavent video playlist full of interesting info with your friends.  
Primavera ExplorerA line-up explorer for the Primavera Sound 2009 Festival. Built using the Last.fm API.  
re/spinRe/Spin leverages the Last.fm, Rdio, and Spotify Metadata API to allow music lovers to import any of their hand crafted playlists into Rdio.  
Recent Last.fm Activity FeedFlareMashup of Last.fm and the Feedburner FeedFlare API. Shows the last song listened to by the blog owner on Last.fm along with a user profile link.  
RecordlectiveRecordlective combines various sources to provide music fans the ability to stream music albums from start to finish.  
Rhapsody SrobblerMonitors Rhapsody for tracks played and automatically submits them to a users Last.fm profile.  
RichseamLooking for new music? Richseam.com lets you discover music through the collaborations and connections of your favourite artists  
Ripped RecordsGigs and music events happening in Edinburgh and Glasgow, Scotland. Browse by date, artist, venue, town, and get live updates via Twitter. Three APIs are used: Last.fm, MusicBrainz, and Cloudmade. The code is open-sourced and available on Github.  
SeekIt.grA library and search engine about music. Query song titles, singers, song description or lyrics. Browse artists, music genre or albums.  
SeesuUses vk.com (vkontakte.ru), soundcloud.com, ex.fm, last.fm and youtube.com to give you music player and social app.  
SetlistingA site for setlists and statistics on artists concert chronology.  
Shareable Music PlaylistsShare MusicMobs or Last.fm playlists in Rhapsody. Uses XSPF, XML Shareable Playlists Format for playlist integration. This links to MusicMob blog post with examples.  
Shared PlaylistsShared Playlists is currently a site only for Spotify users to share playlists. If you register it will be able to look at your last.fm profile and mash it up with Spotify.  
ShowHearShowHear is a concert browsing service that enables you to quickly browse videos of artists playing in your area.  
ShtaggleTagging app for OS X - uses last.fm tags to help create smart playlists by tagging in iTunes. Synchronizes between last.fm and iTunes. Works with Spotify too, and retrieves lyrics for currently playing track.  
SimpleScrobblerSimpleScrobbler is a Last.fm scrobbler without all the bells and whistles. A Mac App that lives in your status bar and leaves a smaller footprint on your computer.  
Slandr Mobile TwitterSlandr Mobile Twitter utilizes the Twitter API to provide a Twitter mobile browser with extras. TwitterCounter, Last.fm local event search, inline displaying of picture-links from MobyPicture, TwitPic, Yfrog and Autopostr!  
SmartTickrSmartTickr.com is a realtime Ajax Reader for RSS-Feeds, Twitter, Flicker, MySpace, Facebook, del.icio.us, LinkedIn, Ebay, YouTube, Jaiku and Last.fm.  
Snapp RadioThe Sun Labs Snapp Radio is a mashup of Radio Paradise, last.fm and Flickr. When you listen to music from Radio Paradise or last.fm, Snapp Radio will collect images from Flickr that are related to the music and display them as a slide show.  
SnippeeSnippee lets you read, share and discuss the news and social snippets from all the services you use.  
SocialBiosSocial search for business referrals. Installs as an about us and/or jobs board widget for your website or Facebook fan page.  
SocialOysterCreate an Oysterpass. Your Oysterpass will show your social activities at the internet. Search on different applications. Follow your friends live at your Oysterline  
SocialPeekTake a glance into the community. SocialPeek looks at various popular social media services and user-generated media sites to generate real-time peeks into what people are really talking about right now.  
Sociotoco SearchSociotoco Search helps you find online profiles in most commonly used social networks like Twitter, LinkedIn, and Facebook - all on one place.  
SomPediaSomething more about music bands, lyrics, and songs. Portuguese version online. English version in progress.  
Song of the dayThis application will give you a (random) song each day (writes on your wall). You can also share a song with any of your friends.  
SongFightSongFight is a facebook game where users listen to songs and try to guess who's the artist. It's completely user-generated. Each user can create his own quizz and promote it. Songs and metadata are retrieved from Last.fm and EchoNest.  
Sound Shelter - An electronic music discovery engineSound Shelter is an electronic music discovery engine. We listen to the opinions of the top taste makers from across the planet to bring you the world’s best House, Techno, Disco, Dubstep and Soul Jazz releases. Our powerful web technology collects recommendations from music lovers all over the world to give you the best new releases across all electronic and soul jazz genres. We take recommendations from the best record stores, DJ’s, label owners and music lovers.  
SoundamusGenerates a feed of new and upcoming music releases from the artists you scrobble on Last.fm.  
SoundcrySoundcry is a media search engine and playlist management tool.  
SoundpushrPick and collect items while surfing through last.fm artists, YouTube videos, Flickr shots and Amazon albums.  
spofmFind new releases or just browse on Spotify. Based on your last.fm listening.  
Spot.fmPlay your last.fm recent scrobbles in Spotify  
Spotify my Last FMMakes a page of Spotify playlist links, recommended new releases and albums for Last.fm users.  
SpotiLastSpotiLast generates a personalized Spotify playlist based on the artists suggested to you by Last.fm.  
SpotLibSpotLib is a plugin for Spotify Mobile. It connects to your personal Last.fm music library and streams it via Spotify.  
Starclips.comStars and celebrity social profiles.  
Sweet SoundtrackSweetsoundtrack.com is the spot where music and movie lovers unite! With song listings from thousands of your favorite movies, we are your number one source of movie soundtrack information. Heard an awesome song in the movie you just watched? Don't wait for the credits. Search our comprehensive track listings for the information you need.  
SwurlSwurl is a place to bring all the things you do online together to share in a blog-like format. Uses over 13 different APIs.  
SXSW Artist CatalogA guide to the 1,200 artists that attending SXSW 2009.  
TagbulbTagbulb simplifies tag search by aggregating content from various sources like Flickr, YouTube and many more. Users can browse by content type like images, videos, blogs, bookmarks, podcasts, products, books etc.  
TastebudsTastebuds is a dating service that uses the Last.fm API to match single people based on their music tastes.  
The Social Music Mashup SiteMusic information and community member communication spaces are offered this social music mashup site.  
TokyoStage World Music Charts and VideosCombines music charts from all over the world with music videos from YouTube, info from Last.fm and lyrics.  
Top 10 last.fm artistsThis widget displays 10 most popular artists of Last.fm user. Data can be shown for all time, 1 year, 6 months, 3 months and 1 week.  
tourb.ustourb.us is a social search site for live music. Track your favorite bands, via email, RSS, iCal, get reminders before concerts, find tonight's shows in your city, import favorites bands from iTunes and Last.fm, post reviews and photos of shows.  
Transmeet.Tv MusicMapMusicMap is a regional music events guide that uses google maps, youtube videos, flickr photos, last.fm pictures and text, facebook connect and makes a fusion of technology to produce a new kind of user experience.  
TubeGotChi Music ArtistsA place where you can gather information about music artists from videos, imeem songs, playlists, lyrics, news, last.fm artists and more.  
TuneChimpTuneChimp lets you discover the best music from any artist: Listen to top tracks, learn more about them through videos, photos, bios, news, and lyrics. This mashup uses APIs including Yahoo Boss, Last.fm and Flickr.  
TuneGlueSlick interactive visualization of the relationship between music artists using the Last.fm and Amazon.com.uk APIs. NOTE: As of Oct 2008, this site appears to have stopped operation.  
TunesIQTunesIQ is a "name that tune" game that lets you compete against others for a spot on the site's leaderboard. Listen to a song clip and see if you can identify it. Watch a music video for every song you attempt to solve.  
TupaloA social yellow pages services where you can discover, rate and review local businesses and services around the world. Find restaurants, bars, boutiques, salons and other businsses.  
TV.ListAndPlay.comEnter 1 song, get 150 similar songs back, create your own MTV. Combines Last.FM & Youtube. There's also a Facebook integration that let you discover music your friends like. Uses Bit.ly in order to share playlist urls.  
Tweekly.fmTweekly.fm is a mashup between last.fm and twitter. It sends a weekly tweet listing your top weekly artists with their playcounts.  
TweetTunesShows realtime music buzz on Twitter. Find out who the most popular music artists on Twitter are in realtime, how many times they have been tweeted and what people say about them.  
twt.fmShare music on Twitter. Uses APIs from iLike, Last.fm and Twitter.  
Unravel The MusicUnravel The Music is a song meanings website where users can share song meanings, rate them, comment on songs, and interact with other users in a variety of ways.  
UpcomingscrobblerUpcomingscrobbler brings together Last.fm and Upcoming.org to tell you where you can see your favourite bands perform live.  
utrecht Music Video SearchMusic videos search from YouTube.  
Veronica SearchA music artist search engine.  
VidevaVideva.com is the biggest music video database on the Internet. All the artists, all the videos, at a click's distance. Putting together the Last.fm music catalog and the Youtube video catalog, Videva brings you the most structured music video search tool to date. Discover new artists and new videos, or listen to your favorite music through our simple interface.  
We-Wired WebWe-Wired Web is a community-extensible integration-as-a-service web app that lets non-technical people easily share data between web services, while allowing technical people to extend the system by adding new web services, triggers, and actions via wiring diagrams.  
WebmunismCombines YouTube videos, Flickr photos, Last.fm albums and Amazon books, grouped by Wikipedia category.  
WeGoooWeGooo wants to help you live better in the city youre in or the city you want to be in. It can put your finger on the pulse in each city to help you understand the spirit of the people who inhabit it. enjoy! Formerly called enjoyeverywhere.  
WhenDidYouJoin?Enter your user ID for any of the supported web sites to look up the date you first joined, and shout it out on Twitter with our convenient tweet links. Or look up other users join dates.  
WoMEn index Measuring world's musical energy average emission intersecting user data from last.fm and song energy data from echonest.  
YamusicaYamusica brings you the latest information on live music events, concerts and venues around the world. Find out when your favorite artist is coming to a town near you!  
YouFMAn artist-based radio, with information and photos about the currently playing artist. Pulls data from Last.fm and YouTube.  
YouLineThe newborn YouLine Internet audio broadcast FM radio. I'll play 365 days 24 hours non-stop Western charts. When you want to check the latest Western hits, with music when I want now, and when I got tired to My Playlist, Recommended to those who need nothing if you have the music to skip and repeat. youtube do not even have a FM broadcast?  
YouLyricsYouLyrics is Youtube + ChartLyrics. Simple way to see your favorite videos together with the lyrics. Also, you will always be surprised: each time someone is watching a video it will appear on the search boxes when someone will load the application.  
Your Own Music TelevisionThis mashup takes your top 50 artists and plays random music videos by those artists. It can go full screen and you can play your lastFM friends favorite artists too.  
YOUZEEKExplore 30 millions of songs & 700 000 Artists. Create playlists, share them on Facebook & Twitter. YOUZEEK also work on iPhone, iPad or Android device. For FREE!  
YTFMYTFM plays music videos from YouTube, based on customizable playlists powered by Last.fm. YTFM can scrobble the songs you play to your Last.fm profile and works in all modern browsers. A Last.fm account is not required.  
ZonTubeSee Amazon music with YouTube videos. Useful site. Cleanly implemented.  
ZonTube beta2Now, ZonTube is updated. You can watch YouTube videos related to Amazon or Last.Fm information. Videos are displayed like a slideshow and played in a rich interface with ajax.  
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