David Letterman

He had, of course, previously been a regular musical guest on the 'Late Show.'

For the third night of their recent residency on 'Late Show With David Letterman,' the Foo Fighters invited swamp-rock legend Tony Joe White to join them for a performance of White's signature 1968 song 'Polk Salad Annie.'

The Foo Fighters started their week-long residency on 'Late Show With David Letterman' by paying tribute to Black Sabbath, but for their second night, they stayed much closer to home, teaming up with Heart for a rendition of the Seattle legends' 'Kick It Out.'

David Letterman finds out that the CBS Orchestra is not allowed to play any Eagles songs.

All week long, CBS' 'The Late Show with David Letterman' has been celebrating the 50th anniversary of the Beatles' arrival in America with other musicians performing their songs. Last night, it was the Flaming Lips' turn, and they brought along a friend with a personal connection to the band, John Lennon's son, Sean Ono Lennon, on 'Lucy in the Sky with Diamonds.'

Beatles Week continued on 'The Late Show With David Letterman' last night, with Lenny Kravitz stopping by to deliver his rendition of 'Get Back.'

To commemorate the 50th anniversary of the Beatles' arrival in America, 'The Late Show With David Letterman' is scheduling musicians to perform Beatles songs all week. Last night, Sting stopped by to play 'Drive My Car.' You can watch the video above.

The indie-rock duo Broken Bells covered the Beatles' 'And I Love Her' on 'Late Show With David Letterman' last night and threw in a sample of ''I Am the Walrus' for good measure. You can watch a video of their performance above.

Last month, it was revealed that the 'Late Show with David Letterman' would be celebrating the 50th anniversary of the Beatles' arrival in America with a week of programming dedicated to the group. Yesterday (Jan. 31), the show announced most of the musical acts that will be participating in the festivities from Feb. 3-7.

Paul McCartney and Ringo Starr may mark the 50th anniversary of Beatlemania hitting U.S. shores next month by performing together. Showbiz 411 reports that the two surviving Beatles could show up on David Letterman's late-night show during his network's week-long celebration of the Fab Four.