A musician's version of a classic song from The Beatles has been dubbed the "greatest cover of all time" by fans ... Peppers' Lonely Hearts Club Band album, had Ringo Starr on vocal duties.

On Friday, the Rock & Roll Hall of Fame inductee shared the latest single from her forthcoming Rockstar album, a powerful cover of The Beatles' 1970 hit "Let It Be." For her rendition, Parton ...