A search engine for tunes and musical themes and a collaborative music encyclopedia.
The stories behind the songs.
WhoSampled, the service that identifies music samples
Listen to Songs from the Latest Movies
WatZatSong is a community of music enthusiasts who can identify most songs and tracks.
Hold MusicID up to music and it'll tell you the name of the song in seconds.
midomi.com find and discover music and people.
SoundHound - the most immersive music search, discovery and play experience on mobile.
Shazam is a mobile app that recognizes music and TV around you.
Tunefind contains an index of music and songs appearing in popular television shows and movies. Find a song, or see where an artists music has been featured.
Melody Catcher: The Internet Music Search Engine
An open source, extendable music player for Android.