Musipedia: The Open Music Encyclopedia

What's that song again?
Can't get that tune out of your head? Tune in to the Open Music Encyclopedia—a searchable, editable, and expandable collection of tunes, melodies, and musical themes. Search by phrases, rhythms, notes you can play on a virtual keyboard—or whistle a melody right into your computer!

Sing along at: Musipedia: The Open Music Encyclopedia