Paul McCartney's favorite song that he wrote for someone else is Cilla Black's 1968 UK Top 10 hit, "Step Inside Love."
One of Tom Petty's most personal songs is "Room At The Top," which he stopped performing because it brought back painful memories.
John Steinbeck's novel The Grapes of Wrath got its title from a line in "The Battle Hymn of the Republic": "He is trampling out the vintage where the grapes of wrath are stored."
The name "Schoolhouse Rock," which was a series of educational cartoons, was a play on "Jailhouse Rock," the title of an Elvis Presley song.
In 1939, a polka craze swept America thanks to "Beer Barrel Polka (Roll Out The Barrel)."
Before he was the champ, Ali released an album called I Am The Greatest!, but his musical influence is best heard in the songs he inspired.
Since his debut single "I'm On Fire" in 1975, Dwight has been providing Spinal-Tap moments and misadventure.
With a few clues (Works at a diner, dreams of running away), can you name the character in the song?
Kelly Keagy of Night Ranger tells the "Sister Christian" story and explains why he started sweating when he saw it in Boogie Nights.
They sang about pink torpedoes and rocking you tonight tonight, but some real lyrics are just as ridiculous. See if you can tell which lyrics are real and which are Spinal Tap in this lyrics quiz.
His song "Into The Night" is one of the most-played of all time. For Benny, it took him to hell and back.
