Openwhyd - Collect and Share the tracks you love.
dubtrack.fm - Dubtrack.fm is a social DJ site where users can share and discover the latest and greatest by...
SoundClick - SoundClick is a music-based social community.
Liyo - Stream your favorite music live with friends 🎶
Music Smasher - Find any song. Music Smasher searches Spotify, Rdio, SoundCloud, Bandcamp, and YouTube.
Join My Playlist - Listen to music live together with your friends in Spotify.