Skip to the content
Person

Jimmy Knepper

James Minter Knepper (November 22, 1927 – June 14, 2003) was an American jazz trombonist. In addition to his own recordings as leader, Knepper performed and recorded with Charlie Barnet, Woody Herman, Claude Thornhill, Stan Kenton, Benny Goodman, Gil Evans, Thad Jones and Mel Lewis, Toshiko Akiyoshi and Lew Tabackin, and, most famously, Charles Mingus in the late-1950s and early-1960s.

Jimmy Knepper

Jimmy Knepper with the National Jazz Ensemble

Tom Marcello Webster, New York, USA · Jimmy Knepper - trombone · CC BY-SA 2.0

Full name
James Minter Knepper.
Born
1927. · Los Angeles.
Died
2003. · Triadelphia.
Nationality
United States.
Occupation
musician and composer.
Fields
jazz.

VALÉORINE Encyclopedia

VALÉORINE documentary reading

Documentary summary

James Minter Knepper (November 22, 1927 – June 14, 2003) was an American jazz trombonist. In addition to his own recordings as leader, Knepper performed and recorded with Charlie Barnet, Woody Herman, Claude Thornhill, Stan Kenton, Benny Goodman, Gil Evans, Thad Jones and Mel Lewis, Toshiko Akiyoshi and Lew Tabackin, and, most famously, Charles Mingus in the late-1950s and early-1960s.

Admitted source layer · organised and presented by VALÉORINE

Note VALÉORINE

Jimmy Knepper (1927–2003) was an American composer, jazz musician and musician, among other activities. Born James Minter Knepper in Los Angeles, the composer died in Triadelphia. Jimmy Knepper was a member of Mingus Dynasty. Genres include jazz.

Composed from admitted, traceable facts · 26 September 2026

VALÉORINE

Reference Check

Propose documentary evidence for Jimmy Knepper. A contribution is never written directly as fact: identity, source, rights and evidence gates still decide.

Sign in to contribute

World of VALÉORINE

Documentary connections

Only confirmed graph relationships appear here. Images are shown only when their identity and reuse rights both pass the documentary gate.

Documentary evidence

Documentary basis

Authority files

gnd · 16150295-7 · museum · 4c43836c-a57c-4817-a6be-44f404507f2a · wikidata · Q666088 · wikipedia · Jimmy Knepper

In this article

  1. 01Biography
  2. 02Archives and collections
  3. 03Notes, references and evidence

The Encyclopedia exists whether or not anything is for sale. Corrections are recorded rather than overwritten, and every version of this record is kept. Published 14 August 2026.

Elsewhere in Music memorabilia

For owners

Own a work by Jimmy Knepper?

A specialist will read what you send and tell you what the house can establish, what it cannot, and whether the object is suited to sale. There is no charge and no obligation. The object stays with you throughout; nothing is shipped to us unless it is arranged in writing beforehand.