The Last.fm JavaScript Library by Felix Bruns allows developers to access the Last.fm API's methods from their JavaScript applications. Usage examples are provided in the documentation.
AudioMicro’s Stock Music and Sound Effects library grants users access to over 300,000 sound files. The library includes a collection of sound effects and complete musical tracks. Spanning every musical genre (Aerobics to World) and fifty Sound Effect categories (Amusement to Whooshes), AudioMicro leader Brian Nimens described AudioMicro as an extensive sound “marketplace.”
Shuffler.fm is a web based music magazine that allows users to browse music on the web through music sites and blogs. It allows them to discover new music and keep an eye on current trends, with the help of those in the know.