9. The Beatles
Ringo Starr in “Brush with Greatness” (Season Two)
Ringo responds to Marge’s fan letter form 1966.
George Harrison in “Homer’s Barbershop Quartet” (Season Five)
In a spoof of “Meet the Beatles” Homer’s singing group hit is big and then unravels. Homer meets [lastfm link_type="artist_info"]George Harrison[/lastfm], but it more interested in the brownie he’s eating. It ends with them singing on the rooftop of Moe’s bar as Harrison passes by and shouts “It’s been done!”
Paul McCartney – “Lisa the Vegetarian” (Season Seven)
[lastfm link_type="artist_info"]Paul McCartney[/lastfm] and then-wife Linda McCartney appear at the roof of the Kwik-E-Mart to give Lisa guidance of being a vegetarian. In the end they ask her if she like to hear a song, Lisa is thrilled and agrees.