Wrote songs for most films, especially following the popularity of film musicals increased in the past due 1920s. He began writing tunes as an adolescent and created the Spier and Coslow music posting organization with Larry Spier. He was also a film maker, earning the Academy Honor for Best Brief Film for Heavenly Music from 1943. He wedded second wife Frances Ruler in 1953. That they had a child together. He published tunes with Arthur Johnston for a number of Bing Crosby films.