James Lamont Gillespie (February 6, 1888 – March 14, 1975) pen name Haven Gillespie, was an American Tin Pan Alley composer and lyricist. He was the writer of "You Go to My Head", "Honey", "By the Sycamore Tree", "That Lucky Old Sun", "Breezin' Along With The Breeze", "Right or Wrong," "Beautiful Love", "Drifting and Dreaming", and "Louisiana Fairy Tale" (Fats Waller's recording of which was used as the first theme song in the PBS Production of This Old House), each song in collaboration with other people such as Beasley Smith, Ervin R. Schmidt, Richard A. Whiting, Wayne King, and Loyal Curtis. He also wrote the seasonal standard "Santa Claus Is Comin' to Town".