David Cavanaugh, also known as Dave Cavanaugh or occasionally Big Dave Cavanaugh, (March 13, 1919 – December 31, 1981) was an American composer, arranger, musician and producer. 　　Born in Saint Paul, Minnesota, Cavanaugh became a session tenor saxophone player in California in his mid-twenties, working with numerous bands, including those of Eddie Miller, Bobby Sherwood, Benny Carter and Woody Herman. 　　Amongst the singers whose work he backed in the late 1940s were Sammy Davis Jr., Ella Mae Morse and, as part of a group called Ten Cats & A Mouse, Peggy Lee.As "Big Dave" Cavanaugh, he also released singles such as "Big Dave's Special" / "One Stop" and "The Cat from Coos Bay" / "Loosely with Feeling".