From Wikipedia, the free encyclopedia ​Bernard Alfred "Jack" Nitzsche (22 April 1937 – 25 August 2000) was an arranger, producer, songwriter, and film score composer. He first came to prominence in the late 1950s as the right-hand-man of producer Phil Spector, and went on to work with the Rolling Stones, Neil Young and others. He also worked extensively in film scores, winning a song of the year Oscar in 1983 for co-writing "Up Where We Belong" (from An Officer and a Gentleman.)