Ok, here we go:
Hot: Good Charlotte, Maroon 5, Switchfoot, The Goo Goo Dolls, Matchbox 20, Our Lady Peace, A Simple Plan, A Newfound Glory, John Mayer, Clay Aiken, The Ataris, Dashboard Confessional, The All-American Rejects, Jimmy Eat World, Fuel, The Beatles, almost any oldies.
Not: Eminem, 50 Cent, any other rap, Avril Lavigne, Christina Aguilera, Britney Spears, Justin Timberlake, Sean Paul, The White Stripes, Almost any country music.