Go to iTunes and put down the first band that begins with that letter:
A- AC/DC
B- Balkan Beat Box ("balkan klezmer hardcore" according to my IS prof)
C- The Caesars
D- Danny Elfman (from Chicago soundtrack)
E- Eartha Kitt
F- Fiona Apple
G- Garbage
H-Hans Raj Hans (random Indian music)
I- Igor Stravinsky (from Firebird)
J- James Taylor
K- Kevin Kline (from the De-Lovely soundtrack)
L- Led Zeppelin
M- Mark Mothersbaugh (Royal Tennenbaums soundtrack)
N- Nancy Sinatra
O- O-zone
P- Paris Combo
Q- Queen
R- Radiohead
S- Samuel E. Wright (the voice of Sebastian in Little Mermaid)
T- Tchaikovsky
U- U2
V- Veggie Tales
W- War
X- nothing...
Y- Yann Tiersen (Amelie soundtrack)
Z- Zero 7
Longest track: Goldberg Variations by Bach played by Glenn Gould 51:18
Shortest track: Platforms by Ani DiFranco 00:17
I appear to be some sort of soundtrack freak...which may be true.