Carla Bley (born Lovella May Borg; May 11, 1936 – October 17, 2023) was an American jazz composer, pianist, organist, and bandleader. An important figure in the free jazz movement of the 1960s, she gained acclaim for her jazz opera Escalator over the Hill (released as a triple LP set), as well as a book of compositions that have been performed by many other artists, including Gary Burton, Jimmy Gi... show more