The music was written by Frank Churchill, the lyrics by Larry Morey.

The song was sung by Adriana Caselotti in the Walt Disney animated film Snow White and the Seven Dwarfs.

[1] It also featured in the stage adaptation from the film.On December 9 1937, Shep Fields collaborated with the jazz accordionist John Serry Sr. in a recording of the song for Regal Records that had a novelty, march tempo rhythm and featured Bob Goday on vocals.

[2][3] Teddy Wilson recorded the song as a relaxed, mid-temp shuffle for Brunswick on December 17, 1937 with Pee Wee Russell, clarinet; Hot Lips Page, trumpet; Sally Gooding, vocal; Chu Berry, tenor sax and Alan Reuss, guitar.

Snow White (played by Ginnifer Goodwin) hums the song while sweeping the dwarfs' house in the episode "Heart of Darkness" of Once Upon a Time.