John Daniel "J. D." Sumner (November 19, 1924 – November 16, 1998) was an American gospel singer, songwriter, and music promoter noted for his bass voice. Sumner sings the final note on the Elvis Presley song Way Down, a C1. His vocal range extended below the lowest playable note on the piano, reaching the note G0 in a 26 second vocal slide at a concert while singing backing vo ... Show More