Before recording "Boom Clap" herself, Charli XCX offered the song to Hilary Duff. However, the singer's people turned down the tune declaring it wasn't "cool enough for Hilary."
The Sam & Dave classic "Soul Man" was re-recorded by Sam Moore and Lou Reed for the 1986 movie Soul Man, about a white guy who pretends to be black so he can get a scholarship to Harvard.
AC/DC's "For Those About To Rock (We Salute You)" is titled after a phrase Roman gladiators said heading into battle: "We who are about to die salute you."
"Margaritaville" is a state of mind, but it's most associated with Key West, Florida, where Jimmy Buffett moved when he was 24.
Mariah Carey's "My All" is about her affair with New York Yankees shortstop Derek Jeter.
Kylie Minogue's "Can't Get You Out Of My Head" received more airplay during the 2000s than any other song in the UK.
Have you got the smarts to know which of these graduation song stories are real?
The Def Leppard frontman talks about their "lamentable" hit he never thought of as a single, and why he's juiced by his Mott The Hoople cover band.
The co-writer/guitarist on many Alice Cooper hits, Dick was also Lou Reed's axeman on the Rock n' Roll Animal album.
The singer-songwriter Melanie talks about her spiritual awakening at Woodstock, "Brand New Key," and why songwriting is an art, not a craft.
A history of songs dealing with transgender issues, featuring Pink Floyd, David Bowie, Morrissey and Green Day.
The Third Day frontman talks about some of the classic songs he wrote with the band, and what changed for his solo country album.