Jiexi: Miuzer - User Generated Music Library

http://miuzer.com

Miuzer is a community driven music community. Users fill out a simple form to add songs to Miuzer's database. Other users interested in the song can add it to their individual libraries or playlists which can be shared with other users. Playlists are easy to manage with simple drag and drop features. Intuitive, and fun.

Think iTunes, but indie, and free.