American jazz musician noted for the beauty of his sound and his improvisations on alto saxophone, and a major figure in the 1950s in West Coast jazz.Pepper in his teens played in Los Angeles bands led by Lee Young and Benny Carter, then joined the Stan Kenton band briefly before serving in the U.S. Army (1944–46). He returned to Kenton in 1947 and remained until 1952, the year he began leading recording groups.