dith Piaf, J.J. Johnson, Michael Franks, Peggy Lee, John Williams, Quincy Jones, Oscar Peterson, Bill Evans, Paul Simon, Billy Joel, The Happenings, Astrud Gilberto, Shirley Horn, Elis Regina, Joe Pass, and others. From the early 195os, Thielemans lived and worked in the U.S., where he became a citizen in 1957.