[/quote]When you rip a CD, it gets the CD identity from a database and properly tags them.
He might also have MP3s like I do, ripped from old cassettes and vinyl. Well, probably not, but I have a few MP3s that I took off of cassettes I no longer have, and I have honestly no idea who the artist is (though the song titles are easy to guess, as most of them are old tapes from my childhood).
....I just did a search and did find one of artists. Don Cooper. Tape and book from 1988, out of print since then, Dino Songs. Heh. I have others I still don't know though.