This SDK is an Android application to generate Chord Progressions, that are based on the Hooktheorys API. The Hooktheory API exposes chord probability data used in TheoryTab Searches. All requests are made over HTTPS, with request and response support for JSON and XML formats. To authenticate to the Hooktheory API, you will need to provide a bearer Token, that follows the OAuth 2 protocol. Hooktheory provides developers with support for the theory behind songs using music theory books, songwriting software, and TheoryTabs.
While Google leads the way in web search and Yahoo leads the way in answers, many upstart services are attempting to help you make decisions by giving you smarter answers to your questions. Microsoft has billed its new search offering Bing as both a "decision engine" and an "answer engine." Now there's Hunch, a new start-up founded by Flickr's Caterina Fake, which also aims to be a decision engine, but using a very different model. By first asking the user questions ranging from food preferences to pet peeves, Hunch tries to provide answers to questions that best match the user's interests based on crowdsourced data collected from other users.
If you subscribe to a lot of RSS feeds, you may find yourself wanting to view only a subset of the content. You can organize by folder, but sometimes searching the feeds is the quickest way to get at what you seek. A new service from Q-Sensei is now bringing that feed search power to your applications via its Q-Sensei FeedBooster API.
There's been some great new music mashups coming down the pipe lately. We'll highlight some of the better ones below, including a music search engine, local music events, lyrics lookup, a Spotify video playlist app (yes, there's a Spotify API) and a fun "name that tune" game. The most popular music API, the Last.fm API, is featured multiple times, as is the YouTube API, which has become a favorite of music mashups.