Listen to Sump 'n' Bout Rhythm online. Sump 'n' Bout Rhythm is an English language song and is sung by Duke Ellington & His Famous Orchestra. Sump 'n' Bout Rhythm, from the album Caravan (The Music Of Duke Ellington 1930 - 1957 - 75 Tracks), was released in the year 2015. The duration of the song is 2:42. Download English songs online from JioSaavn.