The Last.fm Python library by Adrian Sampson is related to the API services that include access to music events, charts, and music players. This library in particular tracks metadata lookup, fingerprint lookup, and fingerprint extraction.
The Punkrock.org API uses POST and GET calls that allow a user of your app to access their own user info on Punkrock.org, including friends, mail, notifications and allows them to upload photos. Requesting an API key is required for access to services.
Music is what connects all of us together. Music Lyrics are one of the most searched items on the Internet and one would expect that the Lyrics data would be accessible via one or more APIs. We list 8 Lyrics APIs in our directory but in the past this has got into trouble over copyright issues. The MusixMatch API wishes to change all of that by giving you access to 5 million officially licensed lyrics.