Paul McCartney

He served as Colbert's final guest, playing on the same stage where the Beatles famously performed on 'The Ed Sullivan Show.'

"Get your ass behind the drums, Chad!" McCartney told Ferrell during the show's opening.

Chad Smith joined him on drums for several songs, including one from the upcoming album 'The Boys of Dungeon Lane.'

Movie will hit theaters in September and features appearances by Elton John, Paul McCartney and more.

From Prince to JoJo and more, these artists have faced music industry battles for the rights to their own music.

This White Album number changed her perspective on what music could sound like.

He left the VIP box to bust some moves.

Taylor Swift DJed at Sir Paul McCartney's party.

Paul McCartney recorded the song for 1968's White Album just a week before turning 26.

He also performed three songs during the episode, including the Beatles' "Hey Jude."

Watch the trailer for 'If These Walls Could Sing,' coming out in December.

Here are some rock musicians who have defended and praised pop icon Taylor Swift, including Paul Stanley, Dave Grohl and more.