Kylie Minogue's "Can't Get You Out Of My Head" received more airplay during the 2000s than any other song in the UK.
"Take Me Home Country Roads" is set in West Virginia, but John Denver had never been there when he recorded the song. The country roads represent a sense of belonging.
Dierks Bentley's "5-1-5-0" was the first ever all-numerical titled #1 in the Country chart's history.
Train wrote the 2011 song "Brand New Book" for the TV show The Biggest Loser - part of the song was used in the opening credits.
Pete Townshend wrote The Who's "Pinball Wizard" to coax a good review for the Tommy album out of a rock critic who loved pinball. It worked.
One of Tom Petty's most personal songs is "Room At The Top," which he stopped performing because it brought back painful memories.
The flautist frontman talks about touring with Led Zeppelin, his contribution to "Hotel California", and how he may have done the first MTV Unplugged.
When he joined Guns N' Roses in 1990, Matt helped them craft an orchestral sound; his mezzo fortes and pianissimos are all over "November Rain."
He's a singer and an actor, but as a songwriter Paul helped make Kermit a cultured frog, turned a bank commercial into a huge hit and made love both "exciting and new" and "soft as an easy chair."
Have you got the smarts to know which of these graduation song stories are real?
The lead singer on "Da Doo Ron Ron" and "Then He Kissed Me," La La explains how and why Phil Spector replaced The Crystals with Darlene Love on "He's A Rebel."
Did Marvin try out with the Detroit Lions? Did he fake crazy to get out of military service? And what about the cross-dressing?