About:
William Everett Preston was an American musician, whose work encompassed R&B, rock, soul, funk, and gospel. Preston was a top session keyboardist in the 1960s, during which he backed artists such as Little Richard, Sam Cooke, Ray Charles, Everly Brothers, Reverend James Cleveland, The Rolling Stones, and the Beatles.

• Known For
• 
  Kings of Soul
  as
  Self (archive footage)
• 
  Eric Clapton: One More Car One More Rider
  as
  Self - Hammond B-3 Organ, Keyboards, Backing Vocals
• 
  Concert for George
  as
  Self
• 
  Sgt. Pepper's Lonely Hearts Club Band
  as
  Sgt. Pepper
• 
  The Beatles: Get Back - The Rooftop Concert
  as
  Self (archive footage)