Gwen Stefani wrote the early No Doubt song "Just a Girl" as a message to her overprotective father.
Tom Cochrane wrote "Life Is A Highway" to pull himself out of a funk following an exhausting humanitarian trip to Africa.
Otis Redding often ad-libbed vocals at the end of songs, but for "(Sittin' On) The Dock Of The Bay" he just whistled instead - it became some of the most famous whistling in song history.
"I Swear" was a #1 country hit for John Michael Montgomery before All-4-One made it a #1 pop hit.
"Call Me Maybe" by Carly Rae Jepsen was the song of the summer in 2012 and a major meme. It got some help from her fellow Canadian Justin Bieber, who tweeted that it was "possibly the catchiest song I've ever heard."
One of the great "we're all going down" songs is "Ship Of Fools" by World Party, written when Margaret Thatcher was in power in England.
A band so baffling, even their names were contrived. Check your score in the Ramones version of Fact or Fiction.
Dean's saga began with "Ariel," a song about falling in love with a Jewish girl from New Jersey.
Was Justin the first to be Punk'd by Ashton Kutcher? Did Britney really blame him for her meltdown? Did his bandmates think he was gay?
Taylor talks about "The Machine" - the hits, the videos and Clive Davis.
Was a Beatles song a TV theme? And who came up with those Fresh Prince and Sopranos songs?
Eddie (played by Johnny Depp in the video) found fame fleeting, but Chuck Berry's made-up musician fared better.