Gosh... lots of songs... lots of bands...

Foreigner, Def Leppard, Nickelback, Green Day, Black Eyed Peas, Maroon 5, Metallica (older stuff), Nelly, Duncan Shiek, Foo Fighters, Shakira, Staind, Nine Inch Nails, Papa Roach, 3 Doors Down, Aerosmith, Queen, Bon Jovi, Red Hot Chili Peppers, Usher, No Doubt, Gwen Stefani.... Too many!
I have some 500 cd's... I know what a waste of $$$.