tracks 5 to 10 bass Buell Neidlinger tracks 1 to 4 bass Chuck Israels tracks 5 to 10 drums Denis Charles tracks 1 to 4 drums Louis Hayes piano Cecil Taylor tracks 5, 6 soprano saxophone Steve Lacy tracks 1 to 4 tenor saxophone John Coltrane tracks 1 to 4 trumpet Kenny Dorham Tracks 1 to 4 recorded in New York City on October 13, 1958. Tracks 5 to 10 are bonus tracks recorded in Boston, September 14th 1956.