Gustav Leonhardt has been played on NTS shows including AD 93 w/ Tasker, with Quartet No.2 in A Minor, TWV 43:a3 first played on 15 January 2018.

Gustav Leonhardt (30 May 1928, 's-Graveland – 16 January 2012, Amsterdam) was a renowned Dutch keyboard player, conductor, musicologist, teacher and editor. Leonhardt was a leading figure in the movement to perform music on period instruments. He professionally played many instruments, including the harpsichord, pipe organ, claviorganum (a combination of harpsichord and organ), clavichord and fortepiano. He also conducted orchestras and choruses.

He was born in 's-Graveland, North Holland and studied organ and harpsichord from 1947 to 1950 with…