Jazz drummer Elvin Jones and bassist Richard Davis recorded Heavy Sounds in 1967. It was originally intended to be a trio date, with Jones, Davis, and guitarist Larry Coryell. However, Coryell did not appear, and producer Bob Thiele suggested that Jones and Davis play something together in his absence. The result was a 11½ minute duet version of "Summertime". Davis recalled: "No discussion, no editing, no plan, I just started playing the melody, and there he was. Read more on Last.fm