William Goldstein (born February 25, 1942) is an American composer, recording artist, arts philosopher and improvisational pianist.

Upon graduating, he continued on a joint program with Trenton State College in New Jersey for music education and the Juilliard School once a week to study trumpet.

[11] During the draft years of the Vietnam War, he became composer in residence for the United States Army Band.

He was discovered by Berry Gordy, who brought Goldstein to Los Angeles, as a Motown recording artist, composer and producer.

Goldstein composes in real time, reviving the art of “instant composition”.He creates ballets with dancers of international renown, improvising complete scores to films that he is seeing for the first time;[19][20] In 2011, Goldstein as invited by the Transatlantyk International Film and Music Festival in Poznan, Poland, to give Master Classes on the "Art of Instant Composition".