Question: The Concert for Bangladesh included what German artist, musician, and record producer who designed artwork for many bands, including the Beatles and Bee Gees?
Sentence (from "The Concert for Bangladesh (film)"): As well as notable performances from Harrison and Shankar, the film includes "main performer" contributions from Harrison's fellow ex-Beatle Ringo Starr, Billy Preston and Leon Russell, and a surprise walk-on from Bob Dylan.
Relevant evidence: No