Fred Hopkins has been played on NTS in shows including Angel Bat Dawid, featured first on 30 March 2014. Songs played include Air Song and Untitled Tango.

http://en.wikipedia.org/wiki/Fred_Hopkins

Fred Hopkins (October 10, 1947 - January 7, 1999) was a Chicago double bassist who played a major role in the development of the avant-garde jazz movement. He was a member of the avant garde jazz trio Air (with Henry Threadgill and Steve McCall) and David Murray's Low Class Conspiracy; he frequently worked with the cellist Diedre Murray. Hopkins played with a wide variety of musicians including Muhal Richard Abrams, Don Pullen, Hamiet Bluiett, Andrew Cyrille, Kalaparusha Maurice…