He taught at the Juilliard School and the University of Colorado at Boulder. He also served as an administrator at
Willamette University, the
University of Massachusetts Amherst,
University of Utah, and
University of Alabama. He finally served as a professor at the University of Massachusetts. Bestor's compositions have drawn on
12-tone music and
jazz. Recordings of his music have been released on the Capstone, Centaur, New Ariel, Living Artist, MSR Classics, Orion, SCI, and Serenus labels. The Charles L. Bestor Collection is held by the American Music Research Center at the
University of Colorado. ==Death==