The PHP last.fm API enables developers to call Last.fm's API methods from their PHP applications. Responses from the API can be cached on the filesystem or in a database. UTF-8 encoding is done automatically. Scrobbling is not yet supported.
Yes.com is a unique community-oriented music site that provides real-time and historical information about songs played on United States terrestrial radio stations. Besides this up-to-the-minute database, Yes has social features like chat rooms for specific radio stations or for a specific artists, like the Yes.com Pink Floyd page showing which radio stations are currently playing or recently played Pink Floyd songs. In addition they also offer an API that developers can build on (our Yes API profile).