A Ayreon
B (can't think)
C Cynic
D Dragonforce
E Elend
F Fantomas
G Gary Numan
H Helmet
I ISIS
J Jakalope
K Kidneythieves
L Lamb Of God
M Meshuggah
N Nine Inch Nails
O Opeth
P PanterA
Q Queen
R Rush
S Strapping Young Lad
T Tool
V (can't think)
W Will Haven
X (can't think)
Y (can't think)
Z Zimmer's Hole

A ANTHRAX.
B BEHEMOTH, BLOODBATH.
C CHIMAIRA, CANNIBAL CORPSE, CRYPTOPSY.
D DTB, DEATH, DARKANE.
E EVENLIGHT.
F FAITH NO MORE.
G GOJIRA.
H HATE ETERNAL.
I ISIS, INFECTIOUS GROOVES.
J ---
K KING CRIMSON.
L LALU.
M MUDVAYNE, MACHINE HEAD, MESHUGGAH, MOONSPELL, MORBID ANGEL, MR. BUNGLE. (It seems like I like the "M" bands in particular...)
N NON-HUMAN LEVEL, NINE INCH NAILS, NILE.
O OPETH,
P PORCUPINE TREE, PINK FLOYD, PANTERA, PRIMUS, PUYA.
Q QUEEN.
R RUSH, RED HOT CHILI PEPPERS (Until Blood Sugar Sex Magic).
S SYL, SEPULTURA, SOILWORK.
T TESTAMENT, TOOL.
U UGLY KID JOE.
V VAN HALEN.
W WHITE ZOMBIE.
X ---
Y ---
Z ZIMMERS HOLE.

Aborted
Benighted
Children Of Bodom
Dimmu Borgir
Emperor
Fear Factory
Graveworm
Hypocrisy
Impaled Nazarene, In Flames or Insomnium, impossible for me to choose!
J I don´t think I know any band beginning with J...
Kalmah
L can´t think of anything...
Mokoma or Mors Principium Est
Norther or Nightwish
Opeth
Pain
Q never heard of a band beginning with Q...
Rammstein
Strapping Young Lad
Turmion Kätilöt
U hmmm, nothing here...
Venom
W nothing here either...
X nothing...
Y not even here...
Z damn, nor here...
Ã… zzzzzz... yeah, not here either...
Ä boooriing, nothing here...
Ö well atleast we´re finally through all the letters...

A. Anathema
B. Behemoth
C. Cult of Luna
D. Devin Townsend Band
E. Ensiferum
F. Finntroll
G. Gojira
H. Hypocrisy
I. In Flames
J. John Butler Trio
K. Katatonia
L.
M. Moonsorrow
N. Norther
O. Opeth
P. Porcupine Tree
Q.
R. Riverside
S. Strapping Young Lad
T. Tool
U.
V. Velcra
W. Wintersun
X.
Y.
Z.

Acid Bath
Black Sabbath
Cephalic Carnage
Devin Townsend Band (if that's cheap, then Deserts of Traun)
Estradasphere
Faith No More
Goblin
High On Fire
Isis
Jesu
Kyuss
Led Zeppelin
Melvins or Mr. Bungle
Naked City
Orange Goblin
Primus
Queens of the Stone Age
The Residents
Secret Chiefs 3
Tomahawk
Ugly Kid Joe
Venomous Concept
Waits, Tom
XTC
YOB
Zappa, Frank

(honourable mentions in brackets)

Alice In Chains (Atomic Ants)
Black Sabbath (Blackfield)
Corrosion Of Conformity (Clutch)
DTB (Dredg)
Explosions In The Sky (Evenlight)
Faith No More (Fear Factory)
Gojira
Holst (I'm with monga...)
ISIS (In Flames)
June (RVP oldie)
Kinski (Killing Joke)
Lard (Lalu)
Ministry (Mnemic)
NIN (Neurosis/NHL)
Opeth
Porcupine Tree (Pink Floyd)
Queensryche
Rush
Strapping Young Lad (Soundgarden)
Tool (Testament)
Ulver
Venom (Van Halen)
Waters, R. (White Zombie)
XTC
Young, N. (Young Gods)
Zyklon (Zimmer's Hole)

A is for ARSIS
B is for BEHOLD THE ARCTOPUS
C is for CANVAS SOLARIS
D is for DEVY!!!
E is for EPHEL DUATH
F is for FARMAKON
G is for GOJIRA
H is for HELLOWEEN
I is for INDUKTI
J is for JASUN TIPTON
K is for KAMELOT
L is for LIQUID TENSION EXPERIMENT
M is for MESHUGGAH
N is for NEUROSIS
O is for OPETH
P is for PSYOPUS
Q is for QUO VADIS
R is for REDEMPTION
S is for STRAPPING YOUNG LAD, or SWARM OF THE LOTUS, sicne I already said Devy
T is a tie between THE DILLINGER ESCAPE PLAN and THE POSTMAN SYNDROME and TOOL
U is for ULVER
V is for V...v..vv??
Y is for YNDI HALDA
Z is for Zero Hour

V is for V...v..vv??

Vader?

V is for V...v..vv??

Vader?

nah, maybe Venetian Snares

A is for ARSIS
B is for BEHOLD THE ARCTOPUS
C is for CANVAS SOLARIS
D is for DEVY!!!
E is for EPHEL DUATH
F is for FARMAKON
G is for GOJIRA
H is for HELLOWEEN
I is for INDUKTI
J is for JASUN TIPTON
K is for KAMELOT
L is for LIQUID TENSION EXPERIMENT
M is for MESHUGGAH
N is for NEUROSIS
O is for OPETH
P is for PSYOPUS
Q is for QUO VADIS
R is for REDEMPTION
S is for STRAPPING YOUNG LAD, or SWARM OF THE LOTUS, sicne I already said Devy
T is a tie between THE DILLINGER ESCAPE PLAN and THE POSTMAN SYNDROME and TOOL
U is for ULVER
V is for V...v..vv??
Y is for YNDI HALDA
Z is for Zero Hour

Very yummy indeed

...And You Will Know Us by the Trail of Dead
Bathory
Cave, Nick & The Bad Seeds
DTB
Erickson, Roky
Faith No More
Gathering, The
Hypocrisy
ISIS
Judas Priest
Katatonia
Lampchop
Mastodon
Nevermore
Opeth
Porcupine Tree
Queensrÿche
Radiohead
Slayer
Tool
Union Carbide Productions
Voivod
Ween
XTC
Young, Neil
Zeke

V is for V...v..vv??

Vader?

nah, maybe Venetian Snares

ABBA (honorable mention: Anthrax, Apocalyptica)
Bad Religion (honorable mention: Beatles, Badtown Boys, The Bones)
China Drum
Devin Townsend Band (honorable mention: Doughboys, Dream Theater)
Europe (I know, but the first two albums rock) (honorable mention: Exodus)
Faith No More
Grip Inc.
Helloween (I know, but the first four albums rock)
Iron Maiden
Judas Priest
Killing Joke
LARD
Metallica (I know, but the first 4,5 albums rock) (honorable mention: Gary Moore, Megadave)
Nevermore (honorable mention: New Model Army, NOFX)
Opeth
Prong? Pantera? I don't know (honorable mention: Pennywise)
Queen
Ramones
SYL (honorable mention: Slayer, Social Distortion, Sisters Of Mercy)
Testament (honorable mention: Thin Lizzy, Therapy?)
Voivod
Waltari
Zappa

^ Damn, almost only metal/rock/punkrock/gothrock in that list, fortunately I listen to much more than that...

Anaal Nathrakh
Björk
Cryptopsy
Devin Townsend (& Deathspell Omega)
Enslaved
Fredrik Thordendal's Special Defects
Gojira
Horrified
Isis
Jesu
Kyuss
Lumsk
Meshuggah
Nile
Obituary
Pixies, the
Queens of the Stone Age
Red Harvest
Strapping Young Lad ( + Spinal Tap)
Taake
Ulver
Venetian Snares
Windir
X:2
YOB
Zyklon

V is for V...v..vv??

Vader?

nah, maybe Venetian Snares

"Various Artists"