American audio engineer, known to have worked at Town Sound Studios and his own O'Brien's Studio.
APPEARANCES +
McCoy Tyner, Joe Henderson
Forces Of Nature: Live At Slugs'
2024,
Post Bop
Creative Construction Company
Creative Construction Company Vols. 1 & 2
2021, CD, Comp, Jazz District, 
,
, Avant-garde Jazz/Free Jazz
Clifford Jordan
The Complete Clifford Jordan Strata-East Sessions
2013
Heiner Stadler
Brains On Fire
2012, 2xCD, Comp, RM, Labor, 
,
, Contemporary Jazz/Free Jazz/Post Bop
Charles Tolliver
Mosaic Select
2005, Box, Comp, Ltd, Num + 3xCD, Mosaic Records (2)
Music Inc.*
Live At Slugs' Vol.1 & 2
2003
Johnny Hammond
The Soulful Blues
2000, ,
, Soul-Jazz/Rhythm & Blues
Don Patterson
Dem New York Dues
1995, CD, Comp, RM, Prestige,
Freddie Hubbard
The Night Of The Cookers (Live At Club La Marchal)
1994
Music Inc
Live At Historic Slugs'
1992
Various
Red Hot On Impulse!
1991, CD, ,
, Free Jazz/Post Bop/Modal
Creative Construction Company
Creative Construction Company Vol.II
1976
Creative Construction Company
Creative Construction Company
1975, Vinyl, ,
, Free Jazz
Betty Carter
Finally
1975
Betty Carter
Round Midnight
1975, Vinyl,
Heiner Stadler
Brains On Fire Vol. 2
1974, LP, Album, Labor
Art Blakey And The "Jazz Messengers"*
Live! Vol. 1
1974
M'Boom*
Re: Percussion
1973, ,
, Free Jazz
Rashied Ali Quintet
Rashied Ali Quintet
1973
Billy Harper
Capra Black
1973
Cecil Payne
Zodiac (The Music Of Cecil Payne)
1973, ,
, Post Bop
Heiner Stadler
Brains On Fire Vol. 1
1973
Music Inc
Live At Slugs' Volume II
1973
Pharoah Sanders
Izipho Zam (My Gifts)
1973, Vinyl, ,
, Free Jazz
Clifford Jordan
Clifford Jordan In The World
1972, ,
, Post Bop/Avant-garde Jazz/Modal
Roy Brooks
The Free Slave
1972, ,
, Contemporary Jazz/Hard Bop/Soul-Jazz
Emanuel K. Rahim* & The Kahliqs
Total Submission
1972, ,
, Modal/Latin Jazz
Music Inc.*
Live At Slugs' Volume 1
1972
Mtume Umoja Ensemble
Alkebu-Lan - Land Of The Blacks (Live At The East)
1972, 2x Vinyl, ,
, Free Jazz/Speech/Poetry/Free Improvisation/Spiritual Jazz
Noah Howard
The Black Ark
1972
Lonnie Youngblood
Live At The Sugar Shack
1971, LP, Album, Turbo Records, ,
, Rhythm & Blues/Soul/Funk
Alice Coltrane Featuring Pharoah Sanders
Journey In Satchidananda
1971, Vinyl Gatefold, ,
, Avant-garde Jazz/Modal/Post Bop
Terumasa Hino Quintet
Love Nature
1971
Charles Tolliver And His All Stars
Charles Tolliver And His All Stars
1971
Jimmy Owens
No Escaping It
1970
Kuumba-Toudie Heath*
Kawaida
1970, Vinyl Gatefold, ,
, Modal
The Clifford Thornton New Art Ensemble
Freedom & Unity
1969, Vinyl, ,
, Free Jazz
Trudy Pitts
The Excitement Of Trudy Pitts
1968
Don Patterson
Opus De Don
1968
Johnny "Hammond" Smith*
Nasty!
1968
Big Black
Message To Our Ancestors
1967, ,
, African
Freddie Hubbard
The Night Of The Cookers - Live At Club La Marchal, Volume 2
1966, Vinyl, ,
, Hard Bop/Post Bop
Freddie Hubbard
The Night Of The Cookers - Live At Club La Marchal, Volume 1
1965, ,
, Hard Bop/Post Bop
Mtume Umoja Ensemble
Alkebu-Lan - Land Of The Blacks (Live At The East)
2016, 2x Vinyl, 
,
, Free Jazz/Speech/Poetry/Free Improvisation
Alice Coltrane Featuring Pharoah Sanders
Journey In Satchidananda
, Avant-garde Jazz/Modal/Post Bop
Noah Howard
The Black Ark
, Free Jazz/Avantgarde