Punk rock mostly. Lately: The Clash, GBH, This Bike Is a Pipe Bomb (heh), Bomb the Music Industry!, The Damned, World/Inferno Friendship Society, The Jam, Circle Jerks, J Church, Minor Threat, Elvis Costello, early Against Me, Cro-Mags, 999, The Screamers, Off With Their Heads, Dillinger Four, Iggy and the Stooges, and on, and on, and on.