Greg Fidelman
Biography
Greg Fidelman (born September 4, 1965) is an American record mixer, engineer and record producer. He is a frequent collaborator of producer Rick Rubin, and has worked with many bands in various genres, including Metallica, Black Sabbath, Slipknot, High on Fire, Red Hot Chili Peppers, Bush, Audioslave, Marilyn Manson, Slayer, and System of a Down, but has also worked on albums by U2, Johnny Cash, Neil Diamond and others. Before going into music engineering, he was the former lead guitarist in the rock band Rhino Bucket, being credited by the name Greg Fields.
Bio from Wikipedia
Discography
Records they worked on — most-collected first.

Master Of Puppets
1986

Ride The Lightning
1984

Metallica
1991

...And Justice For All
1988

Californication
1999

Kill 'Em All
1983

Pinkerton
1996

Audioslave
2002

Load
1996

American IV: The Man Comes Around
2002

System Of A Down
1998

Renegades
2000

21
2011

Death Magnetic
2008

Hardwired...To Self-Destruct
2016

72 Seasons
2023

Vol. 3: (The Subliminal Verses)
2004

The $5.98 E.P. - Garage Days Re-Revisited
1987

Get Born
2003

Greatest Hits
2003

She's The One - Songs And Music From The Motion Picture
1996

We Are Not Your Kind
2019

U218 Singles
2006

Live At The Grand Olympic Auditorium
2003
Credited work
2,427 releases · 216 albums · active 1995–2025
- Engineering · 3,075
- Production · 464
- Other credits · 318
- Performance · 123
- Mastering · 4
Studios: Sound City Studios · The Village Recorder · Shangri-La, Malibu, CA · Akademie Mathematique of Philosophical Sound Research
