Do Nothin' Till You Hear From Me

"Do Nothing till You Hear from Me" (also written as "Do Nothin' Til You Hear From Me") is a song with music by Duke Ellington and lyrics by Bob Russell. It originated as a 1940 instrumental ("Concerto for Cootie") that was designed to highlight the playing of Ellington's lead trumpeter, Cootie Williams. Russell's words were added later. In 1944, Ellington's own recording of the song was a number one hit R&B chart for eight non-consecutive weeks and number six on the pop chart.

"Do Nothing till You Hear from Me" has since been performed by many famous musical artists, including:

...
Wikipedia