Murray worked as a conductor, arranger and producer with such artists as Bing Crosby, Louis Armstrong and Burl Ives at CBS prior to moving to NBC in 1947. The Lyn Murray Singers appeared on Broadway in Finian's Rainbow (1948), singing arrangements written by Murray for the production. He composed the incidental music for 35 episodes of The Alfred Hitchcock Hour between 1962 and 1965 and for 46 episodes of Dragnet 1967 between 1967 and 1969.
