Performance · Production
Kelvin Mercer
aka Posdnuos
The Bronx, United States
Kelvin Mercer is credited on 475 releases across 223 albums tracked on Gatefold, active 1989–2026 — the collector-built map of who actually made the music.
475
Pressings credited
223
Albums
5
Decades active
703
In collections
Biography
Kelvin Mercer (born August 17, 1969), also known by his stage name Posdnuos, Plug 1 and occasionally Pos, is an American rapper and record producer from East Massapequa, New York, best known for his work as one third of the hip hop trio De La Soul. Through his work with the group, Mercer is considered to be one of the most consistent and underrated MCs of all time. Beginning with the highly acclaimed 3 Feet High and Rising in 1989, Mercer has gone on to release nine albums with De La Soul.
Bio from Wikipedia
Credited work
475 releases · 223 albums · active 1989–2026
- Performance · 941
- Production · 23
- Other credits · 3
- Engineering · 2
Studios: Calliope Studios · Island Media Studios · Battery Studios, New York · Calliope Productions
Discography
Records they worked on — most-collected first.

3 Feet High And Rising
1989

De La Soul Is Dead
1991

Since I Left You
2000

Humanz
2017

Stakes Is High
1996

Buhloone Mind State
1993

Born Like This
2009

Blazing Arrow
2002

The Grind Date
2004

Art Official Intelligence: Mosaic Thump
2000

White People
2004

AOI: Bionix
2001

Cabin In The Sky
2025

One Day It'll All Make Sense
1997

Me Myself And I
1989

Geography
2018

Train Of Thought
2000

The Auditorium Vol. 1
2024

And The Anonymous Nobody...
2016

Black Radio III
2022

This Is Not A Test!
2003

Clear Lake Audiotorium
1994

Lyricist Lounge (Volume One)
1998

All Hail The Queen
1989
Frequent collaborators
Around the web
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