Dolly Parton has reunited Paul McCartney and Ringo Starr for a new duet of the Beatles' song "Let It Be." The collaboration also features Mick Fleetwood and Peter Frampton. Parton's rendition of the song is part of her upcoming album, "Rockstar," which will include her versions of 21 classic songs and nine originals. The album will also feature collaborations with Miley Cyrus, Sheryl Crow, Elton John, and more. This marks Parton's first-ever rock album. The album is set to be released on November 17.