Mellow Yellow Paul McCartney can be heard as one of the background revellers on this track, but the "quite rightly" whispering answering lines in the chorus is not McCartney but rather Donovan himself. Donovan had a small part in coming up with the lyrics for "Yellow Submarine", and McCartney played bass guitar (uncredited) on portions of Donovan's "Mellow Yellow" album. In 2005, the track was remastered by EMI Records for the "Mellow Yellow" album re-issue. "Mellow Yellow" was covered in 1967 by soul singer Big Maybelle on her album "Got a Brand New Bag". It was also covered in 1968 by British
Mellow Yellow R&B singer/keyboardist Georgie Fame on his album "The Third Face of Fame". In 1970, a Czech version of the song was issued by Czech singer and actor Václav Neckář on the Supraphon label. In 1999, "Mellow Yellow" was sung by a group of young adults, among whom were then-unknowns Alex Greenwald, Rashida Jones and Jason Thompson, in Gap's "Everybody in Cords" commercial directed by Pedro Romhanyi. The music mix was done by the Dust Brothers. In 2015 the song was covered by Spanish singer Abraham Mateo for the soundtrack and promotion of the film "Minions". In Brazil Michel Teló covered