Shazam - Shazam is a mobile app that recognizes music and TV around you.
AudioTag - AudioTag.info — is a free music-recognition service.
Musixmatch - - World’s Largest Lyrics catalog and official
Midomi - midomi.com find and discover music and people.
ACRCloud - Automatic Content Recognition (ACR) cloud services for Audio Recognition ( identify music, ads ), Broadcast Monitoring, Second Screen, Copyright Protection.
SoundHound - SoundHound - the most immersive music search, discovery and play experience on mobile.