TheAudioDB is a community database of audio artwork and data with a JSON API.
Last.fm is a music service that learns what you love.
Create your own profile, track what you listen to (we call this scrobbling) and get cool stuff like your own music charts, new music recommendations, and a big ol’ community of other music lovers.
Free Music Downloads
This is a community with the aim of collecting as many internet radio and TV stations as possible. Any help is appreciated!