"Polka Dots and Moonbeams" is a romantic ballad composed by Jimmy Van Heusen with lyrics by Johnny Burke in 1940. The piece follows a standard 32-bar AABA form and features a gentle, dreamy melody that depicts a tender dance-floor encounter, supported by smooth, flowing harmonies that emphasize wistful sentimentality. The composition's elegant simplicity and lyrical phrasing make it a quintessential example of swing-era ballad writing, with a structure that invites both vocal interpretation and instrumental improvisation. Van Heusen and Burke wrote the song for Tommy Dorsey's orchestra, and the original 1940 recording on RCA Victor's Bluebird label, with a vocal by Frank Sinatra arranged by Axel Stordahl, became Sinatra's first hit with the band. The tune marked the beginning of a long professional association between Sinatra and Van Heusen that would produce numerous standards and Academy Award-winning film songs. "Polka Dots and Moonbeams" quickly entered the Great American Songbook and has been widely performed across jazz and popular music. It has attracted interpretations from a diverse range of artists including Bill Evans, John Coltrane, Lester Young, Paul Desmond with Jim Hall, and many others, each bringing distinct stylistic approaches to the composition's melodic warmth. The song remains a staple of the jazz ballad repertoire, valued for its accessibility and emotional directness.