Anthony Braxton is an American experimental composer, educator, music theorist, improviser and multi-instrumentalist who is best known for playing saxophones, particularly the alto. Braxton grew up on the South Side of Chicago, Illinois, and was a key early member of the Association for the Advancement of Creative Musicians. Composed in the early 1970s, Braxton’s Composition No. 19 is a processional performance for 100 Tubas.