The End

The End is a song by  The Doors, written by  Jim Morrison. He originally wrote the song about breaking up with his girlfriend Mary Werbelow. This song was used in The Simpsons in several ocassions:
 * Homer Simpson sings the song as he's walking down the street in the episode "Hello Gutter, Hello Fadder", Season 11 of The Simpsons.[15]
 * In the episode "Kiss Kiss, Bang Bangalore", Season 17
 * In the episode "Smoke on the Daughter", Season 19