Listen to Rockin' in Rhythm online. Rockin' in Rhythm is an English language song and is sung by His Harlem Footwarmers and Duke Ellington. Rockin' in Rhythm, from the album Ken Burns Jazz (3 Pak Cube) - Louis Armstrong/ Duke Ellington/ Benny Goodman, was released in the year 2002. The duration of the song is 3:14. Download English songs online from JioSaavn.