J.D. Sumner

John Daniel "J. D." Sumner 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 vocals for Presley. There are some claiming he reached an Eb0 in a recorded live concert while singing with the Blackwood Brothers, however this cannot be verified. He was famous for his group J. D. Sumner and the Stamps Quartet and his associations with the Blackwood Brothers and Elvis Presley.
Cast

Elvis on Tour
Self - Vocals, The Stamps

This Is My Story
Himself

The Sweetest Song I Know
Himself

Atlanta Homecoming
Himself

All Day Singing at The Dome
Self

Elvis in Concert
Self - backing vocals (uncredited)

Elvis: The Lost Performances
Self (archive footage)

Elvis - Aloha from Hawaii
Self - Band

Quick on the Trigger
Band Member

The Elvis I Knew
Self

Kennedy Center Homecoming
Unknown

Sunday Meetin' Time
Unknown

Feelin' At Home
Unknown

Challenge of the Range
Guitar Player (uncredited)

Elvis Live at Madison Square Garden
Self - Vocals

Elvis Presley: Meet Me In Memphis
vocals

A Tribute To George Younce
Unknown

Gaither's Pond: The Lure Depths
Unknown

Elvis: A Life in Music
Self (archive footage)