The Decibel C# SDK allows developers to query the Decibel API to return music metadata. Calls to the Decibel API are made through query objects, which take care of all the logic involved in running a REST query, which can then be used to integrate Decibel data into an application.
Naspter is one of the most recognizable names in digital music, being one of the first music distribution platforms when it was released way back in 1999. After much controversy, and changing hands several times in the last 10 years, it is now owned by the US electronics retailed Best Buy. Now the technology behind Best Buy Remix, the open API for Best Buy's product catalog, has been released to the public with the Napster Access API (for technical details see our new Napster API profile).
Peachnote is quite an innovative approach to music analysis. Developed by Vladimir Viro, a renaissance man who bridges the worlds of classical music and advanced mathematics, the Peachnote API provides the ability to search a large collection of public compositions by melody or sequence of chords.
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).