I'm a big fan of :
- BLASTED MECHANISM
- NOIDZ
- SKAZI
- INFECTED MUSHROOM
- JOY DIVISION

Jazz

Miles Davis
Shelley Manne
John Coltrane
Dizzy Gillespie
Billy Taylor
Sun Ra
Thelonius Monk
Billie Holliday
Ida Cox
Archie Shepp

Bluegrass/ Folk

Ralph Walton
Harry 'Mac' McClinton
Bela Fleck
String Cheese Incident
Roscoe Holcombe
Almanac Singers
Bob Dylan
Chad Mitchell Trio
Full Frontal Folk
The Strangelings

Rock

Deep Purple
Black Sabbath
Pink Floyd
King Crimson
Moody Blues
Doors
Jimi Hendrix Experience/ Band of Gypsies
Big Brother and Holding Company
Cream
Traffic

Rap/ Hip-Hop

Keny Arkana
LowKey
Marcel Cartier
Immortal Technique
Dead Prez
Public Enemy
Beastie Boys
The Last Poets
Gil Scott-Heron
Afrika Bambaataa

Yea, I'm an old guy.