I think there was 5 bands on there I listen to, but it doesn't make up for the 16,000 I wouldn't listen to. I'll just post the bands in my playlist (Bands in italics are ones with 5+ songs:

311
A Perfect Circle
Apocalyptica
The Ataris
Audioslave
Beastie Boys
Black Sabbath
Blind Guardian
Boston
Busta Rhymes
Coal Chamber
Cypress Hill
Days of the New
Deep Purple
Dire Straits
DMX
Dream Theater
Drowning Pool
The Eagles
Finger Eleven
Flogging Molly
George Clinton
Godsmack
Golden Earring
Jane's Addiction
Joe Walsh
KoRn
Living Colour
Marilyn Manson
Men At Work
Men Without Hats
Metallica
Mudvayne
Mushroomhead
NOFX
Ozzy Osbourne
Pantera
Queen
REM
Rage Against the Machine
Rammstein
Rancid
Sepultura
Silverchair
Slipknot
Smashing Pumpkins
Snoop Doggy Dog
Soulfly
Soundgarden
Sponge
Steve Vai
Stone Temple Pilots
System of a Down
Tool
Weezer
White Zombie
ZZ Top