] To use the music recognition service, users dial a
] three-digit code, then must hold their mobile phone for
] about 15 seconds near a speaker playing the tune that
] they want to identify. Moments later, the service sends a
] text message to the users' mobile phone indicating the
] title of the song and the name of the recording artist.

Interesting. But how extensive could the database be? And is this really worth $.99?

Yahoo! News - AT&T Wireless Launches Music Service