I\'d like to be able to determine what music album CD is in a CD drive. For example, if someone claims that the CD in their drive is Eminem - The Eminem Show, I would like t
As for music CDs, Gracenote works by analyzing the actual waveform data of every track on the CD. It does this is a format-neutral way. It talks about it here.
I'd also recommend last.fm, MusicBrainz, and discogs.