"Polka Dots and Moonbeams" is a popular song with music by Jimmy Van Heusen and lyrics by Johnny Burke, published in 1940.
Sinatra went on to record many more of Van Heusen's songs throughout his career.
[1] The song's release coincided with a rise in popularity of the fabric in American fashion—in the 1940s, polka dot patterns were having a "second heyday" as a symbol of patriotism amidst World War II.
[2] The song is one of the top 100 most-frequently recorded jazz standards.
[3][better source needed] Notable recordings include: Doja Cat's 2018 single Mooo!