Just your average list.
Here's what I've seen:
(in some kind of alphabetical order)
22-Pistepirkko (x3)
AC/DC
Acid Mothers Temple & The Melting Paraiso U.F.O.
Air
Angel Witch
Annihilator
Anssi 8000 as Anssi 8000 & Maria Stereo (x2)
The Answer
Anvil
A Place to Bury Strangers
Aqua Nebula Oscillator
Mulatu Astatke
August Burns Red
Avarus
The Awesome Machine
Balls AKA the Balls (FIN)
Clive Barnes
Before the Dawn
Tab Benoit feat. Damon Fowler & Artimus Pyle
Betrayal at Bespin
Billy Boy Arnold & Jody Williams (w/Bob Stroger)
Black Country Communion
Black Dice
Black Label Society
Black League
Black Lips
Black Pyramid
Black River Bluesman
Black Sabbath (..as Heaven & Hell, you wanks)
Avion Blackman
Blake (x3)
Blood Farmers
Boris
Bullfrog Brown
Cannibal Corpse (x2)
Christafari
Church of Misery (x2)
Circle (x3)
Cluster
CMX
Alice Cooper
Cosmobile
Cosmo Jones Beat Machine
Current 93
Danzig
Dark Buddha Rising
Dark Filth Fraternity
Dead Combo (FIN/US)
Dead Revolution
Death Angel
Death in June (x3)
Death Laser
Death Trip
Death With a Dagger
Deep Purple
Demigod
Demonic Death Judge
DevilDriver
Dirty Beaches
Disgrace
Domination Black
DoomDogs
Down (x2)
Dave Edmunds
Earth
Electric Wizard (x2)
e-musikgruppe Lux Ohr
Enforcer (SWE)
Entombed
EyeScream
Exit (FIN)
The Flaming Sideburns (x5)
Fleshpress (x4)
The Flower Kings
Damon Fowler Group
Fueled By Fire
The Gates of Slumber
Goblin
Goon
Kim Gordon, Ikue Mori
Grails
Graveyard
Grey Park
Growing
Gunslinger
Gunswamp
Hanoi Rocks
Harmaja
Hatebreed
Hateframe
Havana Black
Heavy Smoke (FIN)
Tim Hecker
hei (FIN) (x2)
Hertta Lussu Ässä
Hexvessel
Hidria Spacefolk (x3)
High on Fire
Honey B. & T-Bones
Hooded Menace
Horse (FIN)
Glenn Hughes
Husky Rescue
Islaja (x3)
Isole
I Was a Teenage Satan Worshipper
Solomon Jabby
Jackhammer (FIN)
Jo' Buddy
Big Jack Johnson
Jolly Jumpers (x2)
Jorn
Jukka Poika
Jumping Jack
Kaihoro (x10)
Shinji Kanki
Tapani Kansa
J. Karjalainen (x2)
Karma to Burn
Keb' Mo'
KeBu
Kellner
PK & Janko
Keuhkot
Kiki Pau (x2)
Knucklebone Oscar (x2)
The Komets
Kotiteollisuus (x2)
Kotoisat Sävyt
Kreator
Kung-Fu Zombies (x2)
Pekko Käppi
K-X-P (x2)
Timo Lassy Orchestra w/ José James
Lau Nau
Heidi Lind & Masi Tiitta
Dave Lindholm & Messengers
Little Barrie
Lizzard
Lord Vicar
Los Bastardos Finlandeses (x3)
Erja Lyytinen (x2)
Manitou (x3)
Mannhai
Maria (FIN)
Marjatta AKA Samuli Kytö
Martti Servo ja Napander (x4)
Mastodon
Delbert McClinton
Megadeth (x5)
Melrose (x3)
Merzbow
Metalucifer
The Milestones
Mokoma
Michael Monroe
Monster Magnet (x2)
Morbid Angel
Morkobot
Mosesgun
Motörhead (x2)
Murmansk
Mustasch
The Mutants (x2)
My Sleeping Karma
Richard Müller
Nadja
Napalm Death
Nightsatan (x2)
Nile (x2)
The Nomads
Om (x2)
Omnium Gatherum
Øresund Space Collective
Beth Orton
Overkill
Ozzy Osbourne & Friends
Ozric Tentacles
Pagan Altar
Peer Günt
Magnus Pelander
Pentagram (x2)
Pharaoh Overlord (x4)
L.R. Phoenix
Pickup, later known as UpRising (FIN)
Place of Skulls
Primal Scream (x2)
Prurient
Pyhä Kuolema
Ramin kuntopolku
Remu & The Hurriganes
Reverend Bizarre
Boyd Rice
Ricky-Tick Big Band
Rite (x2)
Duke Robillard
Rust
Sabbath Assembly (x2)
Saint Vitus (x2)
Julian Sas
Seremonia (x3)
Seventh Void
Shogun Kunitoki
Shrinebuilder
Siniaalto feat. Esa Kotilainen
Sink
The Skaters
Slayer (x2)
Sleep
Slipknot
The Souls
SOULTRAY
The Soundtrack of Our Lives
Simone Salvatori of Spiritual Front
The Spyro
Stalingrad Cowgirls
Stam1na
Steel Mammoth
Stooges (x3)
Sunn O)))
Super Blues Band
Svölk
Swallowed
Sworn Amongst
Talbot
Tangerine Dream (x2)
Tarot
Jimi Tenor and Tony Allen
Terror Twin
Tombstoned (x2)
Tomutonttu (x3)
Total Devastation
Trivium
Tuomari Nurmio
Tuttiritari (no, I'm not kidding)
Ufomammut
Ulver
Uriah Heep (x2)
Uzva
Varmat Päivät
Vatican Shadow
Vibravoid
Viikate (x3)
Void Ov Voices
Volbeat
Roger Waters
Weedeater
Johnny Winter
Whitechapel
Witchcraft (x3)
Zen Cafe
Zodiac Sunrise
The Zombies
Layla Zoe
That should be all. Cover bands not included.
Last updated 19/04/2013
Here's what I've seen:
(in some kind of alphabetical order)
22-Pistepirkko (x3)
AC/DC
Acid Mothers Temple & The Melting Paraiso U.F.O.
Air
Angel Witch
Annihilator
Anssi 8000 as Anssi 8000 & Maria Stereo (x2)
The Answer
Anvil
A Place to Bury Strangers
Aqua Nebula Oscillator
Mulatu Astatke
August Burns Red
Avarus
The Awesome Machine
Balls AKA the Balls (FIN)
Clive Barnes
Before the Dawn
Tab Benoit feat. Damon Fowler & Artimus Pyle
Betrayal at Bespin
Billy Boy Arnold & Jody Williams (w/Bob Stroger)
Black Country Communion
Black Dice
Black Label Society
Black League
Black Lips
Black Pyramid
Black River Bluesman
Black Sabbath (..as Heaven & Hell, you wanks)
Avion Blackman
Blake (x3)
Blood Farmers
Boris
Bullfrog Brown
Cannibal Corpse (x2)
Christafari
Church of Misery (x2)
Circle (x3)
Cluster
CMX
Alice Cooper
Cosmobile
Cosmo Jones Beat Machine
Current 93
Danzig
Dark Buddha Rising
Dark Filth Fraternity
Dead Combo (FIN/US)
Dead Revolution
Death Angel
Death in June (x3)
Death Laser
Death Trip
Death With a Dagger
Deep Purple
Demigod
Demonic Death Judge
DevilDriver
Dirty Beaches
Disgrace
Domination Black
DoomDogs
Down (x2)
Dave Edmunds
Earth
Electric Wizard (x2)
e-musikgruppe Lux Ohr
Enforcer (SWE)
Entombed
EyeScream
Exit (FIN)
The Flaming Sideburns (x5)
Fleshpress (x4)
The Flower Kings
Damon Fowler Group
Fueled By Fire
The Gates of Slumber
Goblin
Goon
Kim Gordon, Ikue Mori
Grails
Graveyard
Grey Park
Growing
Gunslinger
Gunswamp
Hanoi Rocks
Harmaja
Hatebreed
Hateframe
Havana Black
Heavy Smoke (FIN)
Tim Hecker
hei (FIN) (x2)
Hertta Lussu Ässä
Hexvessel
Hidria Spacefolk (x3)
High on Fire
Honey B. & T-Bones
Hooded Menace
Horse (FIN)
Glenn Hughes
Husky Rescue
Islaja (x3)
Isole
I Was a Teenage Satan Worshipper
Solomon Jabby
Jackhammer (FIN)
Jo' Buddy
Big Jack Johnson
Jolly Jumpers (x2)
Jorn
Jukka Poika
Jumping Jack
Kaihoro (x10)
Shinji Kanki
Tapani Kansa
J. Karjalainen (x2)
Karma to Burn
Keb' Mo'
KeBu
Kellner
PK & Janko
Keuhkot
Kiki Pau (x2)
Knucklebone Oscar (x2)
The Komets
Kotiteollisuus (x2)
Kotoisat Sävyt
Kreator
Kung-Fu Zombies (x2)
Pekko Käppi
K-X-P (x2)
Timo Lassy Orchestra w/ José James
Lau Nau
Heidi Lind & Masi Tiitta
Dave Lindholm & Messengers
Little Barrie
Lizzard
Lord Vicar
Los Bastardos Finlandeses (x3)
Erja Lyytinen (x2)
Manitou (x3)
Mannhai
Maria (FIN)
Marjatta AKA Samuli Kytö
Martti Servo ja Napander (x4)
Mastodon
Delbert McClinton
Megadeth (x5)
Melrose (x3)
Merzbow
Metalucifer
The Milestones
Mokoma
Michael Monroe
Monster Magnet (x2)
Morbid Angel
Morkobot
Mosesgun
Motörhead (x2)
Murmansk
Mustasch
The Mutants (x2)
My Sleeping Karma
Richard Müller
Nadja
Napalm Death
Nightsatan (x2)
Nile (x2)
The Nomads
Om (x2)
Omnium Gatherum
Øresund Space Collective
Beth Orton
Overkill
Ozzy Osbourne & Friends
Ozric Tentacles
Pagan Altar
Peer Günt
Magnus Pelander
Pentagram (x2)
Pharaoh Overlord (x4)
L.R. Phoenix
Pickup, later known as UpRising (FIN)
Place of Skulls
Primal Scream (x2)
Prurient
Pyhä Kuolema
Ramin kuntopolku
Remu & The Hurriganes
Reverend Bizarre
Boyd Rice
Ricky-Tick Big Band
Rite (x2)
Duke Robillard
Rust
Sabbath Assembly (x2)
Saint Vitus (x2)
Julian Sas
Seremonia (x3)
Seventh Void
Shogun Kunitoki
Shrinebuilder
Siniaalto feat. Esa Kotilainen
Sink
The Skaters
Slayer (x2)
Sleep
Slipknot
The Souls
SOULTRAY
The Soundtrack of Our Lives
Simone Salvatori of Spiritual Front
The Spyro
Stalingrad Cowgirls
Stam1na
Steel Mammoth
Stooges (x3)
Sunn O)))
Super Blues Band
Svölk
Swallowed
Sworn Amongst
Talbot
Tangerine Dream (x2)
Tarot
Jimi Tenor and Tony Allen
Terror Twin
Tombstoned (x2)
Tomutonttu (x3)
Total Devastation
Trivium
Tuomari Nurmio
Tuttiritari (no, I'm not kidding)
Ufomammut
Ulver
Uriah Heep (x2)
Uzva
Varmat Päivät
Vatican Shadow
Vibravoid
Viikate (x3)
Void Ov Voices
Volbeat
Roger Waters
Weedeater
Johnny Winter
Whitechapel
Witchcraft (x3)
Zen Cafe
Zodiac Sunrise
The Zombies
Layla Zoe
That should be all. Cover bands not included.
Last updated 19/04/2013
Jim_Lithium