Billy Bang, born William Vincent Walker, was an American free jazz violinist and composer.
Billy Bang at Bach Dancing & Dynamite Society, Half Moon Bay CA 8/24/86, w/William Parker, bass; Oscar Sanders, guitar; Zen Matsuura, drums
Le Sony'r Ra, better known as Sun Ra, was an American jazz composer, bandleader, piano and synthesizer player, and poet known for his experimental music, "cosmic" philosophy, prolific output, and theatrical performances. For much of his career, Ra led The Arkestra, an ensemble with an ever-changing name and flexible line-up.
Sun Ra, c. 1973
Sun Ra at the New England Conservatory of Music, February 27, 1992
The Sun Ra Arkestra performing in London in 2010.