Kevin Whitehead

In 1973, composer and bass virtuoso Charles Mingus signed his last recording contract with Atlantic; he'd stay with the label till his death in 1979. A new box set collects his music from that era.

Threadgill's autobiography, written with Brent Hayes Edwards is called Easily Slip into Another World. His album, The Other One, is a three-movement composition written for a 12-piece ensemble.

Jamal was born in Pittsburgh, broke through with his small group music in Chicago in the 1950s, and recorded scores of records through 2016 — a 65-year recording career. He died April 16.