Accomplished composer and conductor known for his masterful movie and television scores. His scores for "Predator" from 1987 and "Predator 2" from 1990 were regraded as sterling examples of how to write music for action and science-fiction movies. He began his career by writing music for 109 of the 139 episodes of "ChiPs" from 1977 until 1983. He also scored one episode of "T.J. Hooker," three episodes of "Starsky & Hutch," five episodes of "Manimals," and for "Tales of the Crypt" seven episodes.