"Rockin' in Rhythm" is a jazz instrumental, originally performed by Duke Ellington and his big band, and credited to Ellington, Harry Carney, and Irving Mills. It was first recorded in January 1931 at the Cotton Club.[1]
Ellington later reworked the tune as part of "Kinda Dukish", which appeared on his 1960 album Piano in the Background.
"Rockin' in Rhythm" was one of the melodies which featured in the 1986 BBC television series The Singing Detective by Dennis Potter.