"Once in a While" is a 1937 ballad composed by Michael Edwards, a violinist and organist, with lyrics by Bud Green. Edwards has been called a quintessential one-hit composer, as none of his other works matched this song's enduring popularity.
The tune follows a 32-bar AABA form, typically played in Eb. Its gentle, sentimental melody unfolds with understated elegance, supported by subtle harmonic shadings that reward sensitive interpretation. Most commonly performed as a slow ballad, it also works effectively at a medium swing tempo. The simplicity of the melodic line places the emphasis squarely on phrasing and emotional expression.
The first hit recording was by Tommy Dorsey and His Orchestra (1937), which reached No. 1. In jazz, Billie Holiday and Chet Baker have both delivered deeply affecting ballad interpretations that showcase the song's quiet emotional power.
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