Producer, engineer and co-founder of the Karo Musikstudio, Münster, Germany.
ALBA
Kalle Trapp & Rolf Köhler
Theme From Airwolf 2
1987
Saxon
Solid Book Of Rock
2017, 
,
, Heavy Metal
Saxon
Eagles And Dragons
2016, 9xLP, 180 + Box, Comp, Ltd, Num, Demon Records
Blind Guardian
Memories Of A Time To Come
2012, 2x CD, 
,
, Speed Metal/Heavy Metal
Různí
I Love ZYX Italo Disco Collection 10
2009, 
,
, Hi NRG/Italo-Disco/Disco/Electro/Synth-pop/Italodance
Blue Blizz
Change Yourself
2007, 10xFile, AAC, Album, Oh Yes! Records, ,
, Art Rock
Uriah Heep
Chapter & Verse - The Uriah Heep Story
2005
Různí
Metal Dreams Vol. 4
2002
Kreator
Violent Revolution
2001
Blind Guardian
Imaginations From The Other Side
1999
Die Groben Popen
Iss' Brot, Trink' Wein
1997, CD, Maxi, Semaphore
Die Groben Popen
Die Erste
1997, CD, Album, Semaphore
Saxon
Unleash The Beast
1997, 
,
, Heavy Metal
The Holograms
Thank You Whatever Comes
1996, CD, Maxi, Semaphore, ,
, Pop Rock
Blind Guardian
Blind Guardian Plays Beach Boys
1996, CD, Single, Ltd, Promo, Virgin Records Ltd.
Dead Bang
Perfect
1996, CD, Maxi, Semaphore
Dead Bang
I. D. C.
1996, CD, Album, Enjoy Records (5)
The Holograms
Thank You Whatever Comes
1996, ,
, Indie Pop
Molly Hatchet
Devil's Canyon
1996, ,
, Southern Rock/Hard Rock
Blind Guardian
The Forgotten Tales
1996
Uriah Heep
A Time Of Revelation - 25 Years On
1996
Uriah Heep
Dream On
1995
Uriah Heep
Sea Of Light
1995
Pestilence
Mind Reflections
1994, ,
, Death Metal/Progressive Metal
Dead Bang
Dancin' On The Edge
1994
Edwin Starr
Can't Stop Thinking About You
1994
Transit (8) = トランジット*
Catchfire = キャッチファイヤー
1994
Ganz Schön Feist
Dein Ding
1993, CD, Single, Metronome
Ganz Schön Feist
König Von Deutschland
1993, CD, Single, Metronome, ,
, Schlager
Blind Guardian
Tokyo Tales
1993, 
,
, Heavy Metal/Power Metal/Speed Metal
Scäm Luiz
No Pain No Gain
1993
Edwin Starr
Get Up Whirlpool (Of Love)
1993
Doc Eisenhauer
Alles Im Lack
1992
Doc Eisenhauer
St. Pauli - Reeperbahn
1992
Různí
Gothic Rock
1992, CD, ,
, Goth Rock
Blind Guardian
Somewhere Far Beyond
1992
The Marionettes
Kisses
1992
Domain
Crack In The Wall
1991
Transit
Heartcore
1991
Blind Guardian
Tales From The Twilight World (Promotion CD)
1990, CD, Promo, Smplr, No Remorse Records
Blind Guardian
Tales From The Twilight World
1990, ,
, Speed Metal/Power Metal
Assassin
The Upcoming Terror + Interstellar Experience
1990
The Marionettes
Ave Dementia
1990
Headhunter
Parody Of Life
1990
Saxon
We Will Remember
1990
Saxon
Solid Ball Of Rock
1990, ,
, Heavy Metal
Grinder
Just Another Scar / Train Raid
1989, 7", Single, Blu, No Remorse Records, ,
, Thrash/Heavy Metal
Drifter
Nowhere To Hide
1989
Blind Guardian
Follow The Blind
1989, ,
, Power Metal/Speed Metal/Heavy Metal
Transit
Heartbreaker
1989
Transit
Dirty Pleasures
1989
Grinder
Dead End
1989, ,
, Thrash/Speed Metal
Michael Mood
Nimm's Easy - Sei Happy
1988, 7", Single, Blue Turtle Records, SPV GmbH
Destruction
Mad Butcher / Eternal Devastation
1988, CD, Comp, R/C Records
Drifter
Reality Turns To Dust
1988, ,
, Thrash/Progressive Metal/Heavy Metal
Sieges Even
Life Cycle
1988
Blind Guardian
Battalions Of Fear
1988
On Line
Gell?!
1988
Grinder
Dawn For The Living
1988
Pestilence
Malleus Maleficarum
1988, ,
, Death Metal
Stag
We Love You
1988
O.T.C.
Take A Part Of My Life
1987, ,
, Synth-pop
Solid Strangers
Gimme The Light
1987
Stag
Black Betty
1987
Destruction
Mad Butcher
1987, ,
, Thrash/Heavy Metal
Paradox
Product Of Imagination
1987
Destruction
Release From Agony
1987
Violent Force
Malevolent Assault Of Tomorrow
1987
Destruction
Mad Butcher / Eternal Devastation
1987
Tom Jackson*
Rise Up To The Moon
1987, ,
, Synth-pop
B. Crazy
Jungle Dream
1986, 12", ZYX Records, ,
, Synth-pop/Disco
Assassin
The Upcoming Terror
1986
Solid Strangers
My Delight
1986
Solid Strangers
Vision (Of The Night)
1986
Boo Who
Angie Cries
1986, ,
, Disco/Synth-pop
Zenith
Prisoner
1986, Vinyl, ,
, Hard Rock
Iron Angel
Winds Of War
1986
Různí
The Best Of Italo-Disco Vol. 5
1986, 2x Vinyl, ,
, Italo-Disco
Mad Max
Fox On The Run
1986
Mad Max
Stormchild
1985
Edwin Starr
It Ain't Fair
1985
Solid Strangers
Music In The Night
1985, ,
, Disco
Různí
Italo Boot Mix Vol. 4
1985
Railway
Railway II
1985
Různí
Greatest Dance Hits · Vol. 11
Cass, Comp, ZYX Records, ,
, Disco
Různí
Greatest Dance Hits · Vol. 12
Cass, Comp, ZYX Records
Violent Force
Malevolent Assault Of Tomorrow
CD, Album, RE, RP, O-c, High Roller Records
Různí
Gothic Rock 1 (Stigmata Martyr… …The Unstoppable Goth Machine.)
1993, ,
, New Wave/Goth Rock/Synth-pop
Blind Guardian
Tokyo Tales
2019
Saxon
The CD Hoard
2018
Pestilence
Malleus Maleficarum
2018
Squealer
The Circle Shuts
2008, ,
, Power Metal/Heavy Metal
Jimi Hendrix
The Complete PPX Studio Recordings
2000
Mothers Milk
Mothers Milk
1998, CD, Album, Not On Label
Jimi Hendrix
Something On Your Mind
1997, CD, Album, RM, SPV Recordings, CBH Records
Jimi Hendrix
On The Killing Floor
1997, CD, Album, RM, SPV Recordings, CBH Records
Praying Mantis
To The Power Of Ten
1996, 
,
, AOR/Hard Rock/Heavy Metal
Jimi Hendrix
Ballad Of Jimi
1996
Saxon
The Eagle Has Landed Part II
1996
Uriah Heep
Spellbinder
1996
Různí
A Tribute To Judas Priest Legends Of Metal
1996
Jimi Hendrix
Flashing
1996
Jimi Hendrix
Live At George's Club
1996
Blackeyed Blonde
Do Ya Like That Shit?
1996
Freaky Fukin Weirdoz
Sticky Weed
1995
Freaky Fukin Weirdoz
Culture Shock
1995
Blackeyed Blonde
Masafagga
1995
Saxon
Dogs Of War
1995
Blackeyed Blonde
Masafagga
1995, ,
, Alternative Rock/Funk Metal
Dead Bang = デッド・バング*
Dancin' On The Edge = ダンシン・オン・ジ・エッジ
1994
Freaky Fukin Weirdoz
Mao Mak Maa
1994
Praying Mantis
A Cry For The New World
1993
Praying Mantis
Only The Children Cry
1993
Blind Guardian
Somewhere Far Beyond
1992
Squealer
Human Traces
1990, 12", Not On Label, ,
, Heavy Metal
Gamma Ray
Heaven Can Wait
1990
Saxon
We Will Remember
1990, ,
, Heavy Metal
Transit
Dirty Pleasures
1989
Různí
Teutonic Invasion Part Two
1988, LP, Comp, Roadrunner Records, ,
, Thrash/Speed Metal/Death Metal/Heavy Metal
Sortilège
Hero's Tears
1988, ,
, Heavy Metal
Angel Dust
To Dust You Will Decay
1988
O.T.C.
Take A Part Of My Life
1987
Paradox
Product Of Imagination
1987
Destruction
Release From Agony
1987
Jimi Hendrix
Get That Feeling
1986
Tribute
New Views
1984
Různí
Rocknacht '88 Live In Haale
LP, Globus - Musik
KOMPILACE +
Blackeyed Blonde
Boomerang
1995, CD, Maxi, GUN, GUN
Saxon
Unleash The Beast
2024
Blind Guardian
Somewhere Far Beyond Revisited
2024, ,
, Power Metal/Speed Metal
Blue Blizz
The Alternative Masters
2019, 6xFile, MP3, Album, Oh Yes! Records, ,
, New Wave
A.R. & Machines
The Art Of German Psychedelic 1970-74
2017, CD, CD, CD, CD, CD, CD, CD, CD, CD, CD, Box Set, ,
, Krautrock/Experimental/Psychedelic Rock
To Be
Borneo
2006
Schizo
Main Frame Collapse
2006
Saxon
Solid Ball Of Rock
2002
Kreator
Endorama
1999, ,
, Heavy Metal/Thrash/Speed Metal/Gothic Metal
A.R. & Machines
Echos Aus Zeiten Der Grünen Reise
1998, CD, Comp, RM, Polydor, ,
, Future Jazz/Experimental
Molly Hatchet
Silent Reign Of Heroes
1998
Různí
A Tribute To Judas Priest Legends Of Metal Vol. 1
1996, 
,
, Thrash/Heavy Metal
Uriah Heep
Sea Of Light
1995
Transit
Everlasting Fire
1994, CD, Single, Blue Martin Records
Headhunter (8) = ヘッドハンター*
Parody Of Life = パロディ・オブ・ライフ
1990
Drifter
Nowhere To Hide
1989
Wonderland
Moscow
1988, LP, Comp, Bear Tracks
Paganini
It's A Long Way To The Top
1987, ,
, Hard Rock
Presence
No Way
1986, 7", Single, Power Records (31)
Presence
Rock Your Life
1986
Edwin Starr
It Ain't Fair
1985
The Bank
Wrong Is Right / Someday
1985
Paganini
Weapon Of Love
1985
Samain
Vibrations Of Doom
1984, ,
, Heavy Metal
Baboon*
Baboon
1982, LP, Album, Bella Musica, Bella Musica
Wonderland
The Best Of Wonderland
1973, ,
, Psychedelic Rock/Beat
Achim Reichel & Machines*
Echo
1972, ,
, Krautrock/Avantgarde
Wonderland Band*
N°1
1971, ,
, Prog Rock/Psychedelic Rock
Bernd Schöne, Peter Battenfeld
Wir Suchen Uns Ein Mädchen
Violent Force
Malevolent Assault Of Tomorrow
2019
Pestilence
Malleus Maleficarum
2017
Paradox
Product Of Imagination
2015
Uriah Heep
Sea Of Light
2013
Destruction
Release From Agony
2012
Transit
Heartcore
2012
Solid Strangers
My Delight
2009, CD, Comp, Ltd, RM, Unofficial, ESonCD
Rolf Köhler
Voice & Music 2 - The Second Album Fan Tribute
2008, CDr, Comp, Ltd, Unofficial, Not On Label
Blind Guardian
Tales From The Twilight World
2007, 
,
, Speed Metal/Power Metal
Achim Reichel & Machines*
Echo / A.R. IV
2005, 2xCD, Comp, Unofficial, New Amos Records, New Amos Records, 
,
, Krautrock/Avantgarde
Transit
Dirty Pleasures
2005
Iron Angel
Winds Of War - Black Edition
2004
Kreator
Violent Revolution
2001
Kreator
Endorama
1999
Assassin
The Upcoming Terror + Interstellar Experience
1998, CD, Album, Comp, Unofficial, Steamhammer, Axe Killer Records
Assassin
The Upcoming Terror
1998
Achim Reichel & Machines*
Echo
1998
Blind Guardian
Follow The Blind / Bright Eyes
1998, ,
, Power Metal
Saxon
Unleash The Beast
1997
Blind Guardian
Battalions Of Fear
1997
Blind Guardian
Follow The Blind
1997, ,
, Speed Metal/Heavy Metal
Destruction
Mad Butcher / Eternal Devastation
1997, ,
, Thrash
Různí
A Tribute To Judas Priest Legends Of Metal
1996, 
,
, Thrash/Heavy Metal
Blind Guardian
The Forgotten Tales
1996
Jimi Hendrix
The Authentic PPX Studio Recordings Vol. 5 & 6
1996
Blind Guardian
Tokyo Tales
1993, ,
, Symphonic Rock/Heavy Metal
Blind Guardian
Somewhere Far Beyond
1992, 
,
, Heavy Metal
Různí
The Best Of Italo-Disco Vol. 5
1986, 2x CD, ,
, Italo-Disco
Tribute
New Views
CDr, Album, Unofficial, Tachika Records, ,
, Acoustic/Space Rock/Symphonic Rock
Wonderland
Moscow
CDr, Comp, RE, Unofficial, Pap, Not On Label
Drifter
Nowhere To Hide
, Thrash
Wonderland
The Best Of Wonderland
Sieges Even
Life Cycle
, Thrash/Progressive Metal
Railway
Railway II
Paganini
It's A Long Way To The Top
, Hard Rock
Grinder
Dawn For The Living
Paganini
Weapon Of Love