Neil Young's song "Old Man" was inspired by the caretaker of the ranch he bought in 1970. Neil was the young man at the time, just 25.
Richard Harris, who played Professor Dumbledore in the first two Harry Potter movies, had a hit in 1968 with "MacArthur Park."
James Brown's "Get Up (I Feel Like Being a) Sex Machine" was the first Hot 100 hit with the word "sex" in the title.
"Breakin'... There's No Stopping Us," the title song to the movie Breakin', was a hit and helped breakdancing go mainstream when it was released in 1984. The song has scratches and other hip-hop flourishes, but no rapping, which would have kept it off many playlists.
Justin Timberlake originally wrote "Gone" for Michael Jackson, but his team turned it down, so 'N Sync cut it instead.
Ozzy Osbourne's "Shot In The Dark" is titled after the 1964 Pink Panther movie A Shot in the Dark. His bass player, who co-wrote the song, was a fan of the film.
A look at the good (Diana Ross, Eminem), the bad (Madonna, Bob Dylan) and the peculiar (David Bowie, Michael Jackson) film debuts of superstar singers.
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.
Rufus Wainwright on "Hallelujah," his album Unfollow The Rules, and getting into his "lyric trance" on 12-hour walks.
Did Al play on a Beach Boys record? Did he have beef with George Lucas and Coolio? See if you can spot weird but true stories.
Ozzy biting a dove? Alice Cooper causing mayhem with a chicken? Creed so bad they were sued? See if you can spot the real concert mishaps.
When she released her first album in 1988, Tanita became a UK singing sensation at age 19. She talks about her darkly sensual voice and quirky songwriting style.