David Horowitz is a composer who began playing piano by ear at age 3. As a young adult, he played with Gil Evans and Tony Williams, and later became Composer in Residence at the Arena Stage in Washington, D.C.; he also arranged albums for Peter Allen, Carol Hall and others at Elektra Records.
 
Horowitz composed for choreographer Twyla Tharp, and for the art films of Ian Hugo and Anais Nin; for the Japanese mime Yas Hakoshima;  and a number of European features.