Jimmy Knepper was an American jazz trombonist. Born on November 22, 1927, in Los
Angeles, California, he began playing the alto horn at age six and later
switched to the trombone. His professional career started with performances in
Los Angeles, and he traveled to Spokane, Washington, at age 15. He played in
bands led by Charlie Barnet, Woody Herman, and Claude Thornhill. In the late
1950s and early 1960s, he collaborated extensively with Charles Mingus. He
toured Africa from December 31, 1959, to April 5, 1960, with Herbie Mann's band,
and the Soviet Union in 1962 with Benny Goo...