Pydora is a Python-based implementation of the Unofficial Pandora API. While Pydora is fairly complete, it doesn't include any of the undocumented features, or most of the account management features, of the API.
Auphonic was founded and developed by deeply talented sound engineers and technologists firmly rooted in all things audio. In its brief existence, Auphonic has developed a partner community dedicated to growing the sound technology world through education and research (i.e. Podlove, Science Park Graz, IEM, and Graz University of Technology).
Music mix sharing site 8tracks now has an 8tracks API to search and play mix tapes. Developers can access the mixes, which each contain at least 8 tracks, by tag, simple search, popularity, those added recently, or randomly. The site announced its API at the recent Music Hack Day Boston.
Our API directory now includes 27 radio APIs. The newest is the Livio Connect API. The most popular, in terms of mashups, is the BBC API. We list 28 BBC mashups. Below you'll find some more stats from the directory, including the entire list of radio APIs.