jastrub

A - Andrew Byrd
B - The Beatles
C - Chumbawamba
D - Dire Strates
E - Enrique Granados (Classical piano)
F - For In Hand
G - Green Day
H - Harry Chapin
I - Idil Biret
J - Jonathan Coulton
K - King Crimson
L - Lyle Lovett
M - Minutemen
N - New Pornographers
O - Oscar Peterson
P - Polyphonic Spree
Q - Queen
R - Rush
S - Stevie Ray Vaughan
T - Turtle Island String Quartet
U - Ultramagnetic MC's
V - Velvet Revolver
W - Wynton Marsalis
X - I can't think of anything that starts with X so I'll put Planet X
Y - Yngwie Malmsteen
Z - Zappa

TockTockTock

A: A Whisper in the Noise
B: B.B. King
C: Cat Stevens
D: Django Reinhardt
E: Echo and the Bunnymen
F: Fleet Foxes
G: Godspeed You! Black Emperor
H: The Heavy
I: Isaac Albeniz
J: Jimi Hendrix
K:
L: Led Zeppelin
M: Madvillain
N: The Nightwatchman
O: Okkervil River
P: Public Enemy
Q: Queens of the Stoneage
R: Rory Gallagher
S: Son House
T: Television
U: The United States of America
V: The Velvet Underground
W: White Denim
X: Xiu Xiu
Y: The Yardbirds
Z: Zach de la Rocha