Shazam - Shazam is a mobile app that recognizes music and TV around you.
Equipboard - World's largest music gear database
SoundHound - SoundHound - the most immersive music search, discovery and play experience on mobile.
Genius - Genius is the world’s biggest collection of song lyrics and musical knowledge.
Midomi - midomi.com find and discover music and people.
SongLyrics - The days of lyrics not getting the love and community they deserve are no more.