Either rock/metal if any kind, or wild club music.

Some of us just are fine with listening to the radio.
Or their cd player doesnt work...

Radio for me. If I can I listen to a Sox game.

Well ya I just listen to it too

1. radio
2. pandora radio on smart phone

here is my Last FM page which logs all the music you listen to in either real time for say when you listen on the computer or stream at home or it updates every time you connect your iPod to your computer. I only use the iPod anymore, haven't bought a cd in probably 3 years.
http://www.last.fm/user/yobbodobbo