I basically listen to whatever is on the radio. My CD "collection" is a handful of CDs that were in my car when the rest moved in with X, and a few mixed CDs given to me by friends (which are mostly what I listen to when the radio isn't cooperating). I don't have a music player.
But if I look at my collection, I guess I'd have to say my favorite is Bon Jovi. I know, I know, people don't like them that much, and I'm dating myself. Whatever.
I've liked their music for
Plus, Jon Bon Jovi has been with the same woman since he was in high school. If that's not worth some loyalty, I don't know what is.