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 Man Ace because he did not get permission to use Santana's song or pay royalty fees before recording and releasing the track. Also a member of the Latin Alliance project and the Reyes Brothers (with his older brother Sen Dog of Cypress Hill), Mellow Man Ace recorded one further album, "The Brother with Two Tongues", before virtually retiring from the scene. He returned in 2000 with the release of "From the Darkness into the Light". Mellow Man Ace Ulpiano Sergio Reyes (born April 12, 1967), better known as Mellow Man Ace, is a Cuban-American rapper known for bilingual delivery and novelty rhymes.