fiql
Music Social Network with Blogs and Playlists, Playlist Uploads and Playlist Editor …
more music sharing

Mixwit
Media and Music Mashup Online Tool with Music Pool to add Audio to Media …
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nimbit
Music Commerce Platform with Widgets, Distribution and Sales at Social Networks …
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Spool.fm
Music Sharing Site with Search Engine. Great Feature: Members may create synchronized Playlists to listen the same with others …
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