AudioTag - AudioTag.info — is a free music-recognition service.
Musixmatch - - World’s Largest Lyrics catalog and official
Shazam - Shazam is a mobile app that recognizes music and TV around you.
1lyrics - 1 lyrics is one app for all your lyrics need.
ACRCloud - Automatic Content Recognition (ACR) cloud services for Audio Recognition ( identify music, ads ), Broadcast Monitoring, Second Screen, Copyright Protection.
Kjuicer - Get ready for juiced knowledge!