I used to listen to music while playing games but then I found out I was missing out on a lot of great video game music. And in this day and age there's so much dialogue in games I can't be listening to music.
I'll listen to music when I'm grinding in RPGs though. Nothing specific though.
12/27 -- Unearth/Protest the Hero
03/07 -- Video Games Live
07/06 -- U2