Musixmatch - - World’s Largest Lyrics catalog and official
Spotify - Map shows when two people play same song at same time
1lyrics - 1 lyrics is one app for all your lyrics need.
SoundCloud - Enjoy music & follow favourite artists
Kjuicer - Get ready for juiced knowledge!
Last.fm - The world's largest online music service. Listen online, find out more about your favourite artists, and get music recommendations, only at Last.fm