The place of composition is indicated in a line inserted above the title on p. 3 of the high voice (soprano) edition published in 1938 by the Boston Music Company; this version is in the key of C. Jacobs-Bond added the tune for "A Perfect Day" during a visit to the Mojave Desert 3 months after her visit to the Mission Inn (Rick Reublein on "America's first great woman popular song composer" site).