Stefan Heger is a German sound engineer and producer based in Cologne, Germany, and Columbia, South Carolina, USA.
He runs the mastering studios FisheyeMusic and Fisheye Mastering.
ALBA
Total Hip Replacement
Anyankofo
2022
Gentleman & The Evolution
Diversity Live
2011
The Roy Campbell Ensemble
Akhenaten Suite
2008, CD, Album, AUM Fidelity, 
,
, Free Jazz/Contemporary Jazz
William Parker
Double Sunrise Over Neptune
2008, CD, Album, AUM Fidelity, ,
, Free Jazz
Fred Anderson & Harrison Bankhead
The Great Vision Concert
2007, CD, Album, Ayler Records, 
,
, Free Jazz/Post Bop
David S. Ware Quartet
Renunciation
2007, CD, Album, AUM Fidelity, ,
, Free Jazz
William Parker Bass Quartet Featuring Charles Gayle
Requiem
2006, CD, Album, Splasc(H) Records, Splasc(H) Records, 
,
, Free Jazz/Contemporary Jazz/Free Improvisation
The Eddie Gale Now Band* With William Parker
Vision Festival X, NYC
2006, CD, Not On Label (Eddie Gale Self-released)
Patrice
Raw & Uncut (Live In Paris)
2006, CD, 
,
, Soul/Ballad
Různí
Vision Volume 3
2005, CD, Ltd + DVD, Arts For Art, ,
, Free Jazz/Free Improvisation
Různí
Visionfest : Visionlive
2003, CD, Album + DVD-V, Multichannel, Thirsty Ear, ,
, Free Jazz/Hard Bop/Avantgarde/Experimental
KOMPILACE +
Cinq
Larme Couleur Bleu Ciel
2024, LP, Album, Ltd, Not On Label (Cinq (4) Self-released)
Cardinal Black
Live at the Memo
2024
Sandor
La Médaille
2023
Samuel Blaser
Routes
2023
Fettes Brot
Hitstory
2023
Kungs
Club Azur
2022, 11x File Hi-Res 24-Bit 44.1 Khz,
Dance-pop/Deep House
Meimuna
Courage
2021, CD, EP, Radicalis
Di-Meh
Mektoub
2021
Chemical Fame, Etienne Machine, [chuckles], DotG
Glance (Remix by La Machinerie)
2020, File, AAC, AIFF, WAV, EP, Not On Label
Kungs, JHart
Dopamine
2020, File, FLAC, Single, Island Records, 
,
, Tropical House
Abstral Compost & Pascal Lopinat
Hazard Crumbs
2020, LP, Album, Ltd, Num, Burning Sound Records
Swear I Love You
Under The Pines
2020, 12", EP, EXAG' Records
Murmures Barbares
Mantras
2020, LP, Album, Not On Label
Fuchy
Praliné
2019, 12", EP, Kabul Fire
Jax Jones, Martin Solveig, Raye (3), Europa
Tequila
2019, File, FLAC, Single, Polydor, ,
, House
Funkrust Brass Band
Bones and Burning
2019, 7", Ltd, Gre, Not On Label
David Guetta & Martin Solveig
Thing For You (David Guetta Remix) [Extended]
2019, File, FLAC, Single, FFRR
Jennah Bell
Anchors & Elephants
2019, 10xFile, AAC, Album, 320, Not On Label (Jennah Bell Self-released)
Martin Solveig, Roy Woods
Juliet & Romeo
2019
Kai Schumacher
RAUSCH
2019
David Guetta & Martin Solveig
Thing For You
2019
Jax Jones, Martin Solveig, Madison Beer
All Day And Night
2019
Tiwayo
The Gypsy Soul Of Tiwayo
2019
Billie Bird
Les Déferlantes
2018, EP, Les Exploratrices
Kadebostany
Monumental
2018
David S. Ware Trio
The Balance (Vision Festival XV +)
2018
Kadebostany
Save Me
2018
Martin Solveig
My Love
2018
Kadebostany
MONUMENTAL - Chapter I
2017, File, AIFF, FLAC, MP3, WAV, EP, Republic of Kadebostany
Gaspard Sommer
Out For A Run
2017, 8xFile, WAV, EP, EICA RECORDS
Martin Solveig Feat Alma
All Stars
2017, File, ,
, House
Fettes Brot
Auf Einem Auge Blöd
2017, 2x Vinyl Sky Blue, ,
, Pop Rap/Boom Bap
D'Angelo
Brown Sugar
2017, 2x CD Expanded Edition, ,
, Neo Soul
Cody ChesnuTT
My Love Divine Degree
2017
Fettes Brot
Fettes Brot Lässt Grüssen
2017
[theNEWDEAL]*
Mercury Switch
2016, LP, Album, Ltd, Blu, Not On Label
Peter Weniger
Point Of Departure
2016, CD, Album, Skip Records (2)
Fettes Brot
Außen Top Hits, Innen Geschmack
2016
Fettes Brot
Mitschnacker
2016
Léa Castel
Abîmée
2016, CD, 
Kraak
Fire Fighters
2016
Patrice
Life's Blood
2016
Martin Solveig Feat Ina Wroldsen
Places
2016
Maddam
Superwomanhumanalien
2015, File, AAC, Single, 320, Maddam Music
Fettes Brot
Von Der Liebe
2015, CD, Single, Promo, Fettes Brot Schallplatten (FBS),
Fettes Brot
Teenager Vom Mars
2015, 2x Vinyl, CD,
Mariama
Moments Like These
2015
Akua Naru
The Miner's Canary
2015, 2x Vinyl, ,
, Conscious
Dornik
Dornik
2015
AJK
What's Good For You
2014, CD, Album, Not On Label,
Marc Sway
Black & White
2014, CD, Album, Columbia, Sony Music, 
,
, Soft Rock
Sandhy Sondoro
Vulnerability
2014, CD, Album, DeMajors
Janin Devi Feat. Klaus Heitz
Higher, Wider, Deeper
2014, CD, Album, Not On Label
AJK
What's Good For You
2014, CD, Album, Not On Label (AJK Self-released)
Amel Bent
Instinct
2014, CD, ,
, Contemporary R&B/Chanson
Max Merseny
Everlasting
2013, CD, Album, Tiptoe, Enja Records
Fettes Brot
3 Is Ne Party
2013
Patrice
The Rising Of The Son
2013
Brötzmann*, Adasiewicz*
Going All Fancy
2012, CD, Album, Ltd, BRÖ
Patrice
Lost&Found (Rarities 1996-2001)
2012, LP + CD, Album, Promo, Supow Music
Cody ChesnuTT
Landing On A Hundred
2012
Dragonette
Bodyparts
2012, CD, 
,
, Synth-pop
Stone Quartet*
Live At Vision Festival
2011, CD, Album, Ayler Records
Sonny Simmons, François Tusques
Near The Oasis
2011, CD, Ltd, Improvising Beings
Eco D'Alberi
Eco D'Alberi
2011, CD, Album, Porter Records
Tom Beck
Drive My Car
2011, CD, Single, Comude
Tom Beck
Sexy
2011, CD, Single, Comude
بهاء سلطان = Bahaa Sultan*
ومالنا
2011, CD, Album, Arabic Recorded Music (ARM),
Folk
Tom Beck
Superficial Animal
2011
Pasquale Aleardi & The Big Gee
Retrologie
2011
Nneka
Soul Is Heavy
2011, CD,
Ganelin Trio Priority
Visions
2010, CD, Album, Solyd Records
Rob Brown
Unexplained Phenomena
2010, CD, Album, Marge, ,
, Free Jazz
Sensuàl
Trinta
2010, CD, Album, Supertracks Records, 
Bastian Wegner
Elmsfeuer
2010
Sweet Soubrette
Days And Nights
2010, Vinyl,
Gregor Meyle
Meylenweit
2010, CD,
Joëlle Léandre - George Lewis
Transatlantic Visions
2009, CD, Album, Rogueart, ,
, Free Improvisation
Profound Sound Trio
Opus De Life
2009, CD, Album, Porter Records
Wadada Leo Smith
Spiritual Dimensions
2009, 2xCD, Album, Cuneiform Records, ,
, Free Improvisation/Free Jazz/Avant-garde Jazz
Patrice
iTunes Live: Aus Frankfurt
2008, 6xFile, AAC, EP, 256, Universal Music
Bill Dixon
17 Musicians In Search Of A Sound: Darfur
2008, CD, Album, AUM Fidelity
Curse
Freiheit
2008, CD, ,
, Conscious/Pop Rap
Charles Gayle Trio*
Consider The Lilies...
2006, CD, Album, Clean Feed, 
,
, Free Jazz
Positive Knowledge
Invisible Wisdom
2006, CD, Album, Charles Lester Music, ,
, Free Jazz
Angelo Kelly
I'm Ready
2006, CD, Album, ten4one Records, Edel
Chima
Immer Noch
2006
Vasco Martins
ApEiRoN
2000
Your Happy End
Evening Classes
CD, EP, Not On Label (Your Happy End Self-released)
Kadebostany
Monumental
2018