The "Gunter Glieben Glauten Globen" intro in Def Leppard's "Rock Of Ages" is something their producer Mutt Lange came up with when he got tired of counting them "1, 2, 3, 4..."
The bedrock of David Guetta's Nicki Minaj-featuring single "Hey Mama" is a sample of "Rosie," a 1940s prison recording from folk archivist Alan Lomax that songwriter Esther Dean first showed the French DJ on YouTube.
"Peg" by Steely Dan is told from the perspective of Peg's jilted ex-boyfriend as he watches her launch an acting career.
Johnny Cash's wife, June Carter, wrote "Ring Of Fire" about their relationship.
Bryan Adams' 1987 song "Heat Of The Night" has the distinction of being the first commercially released cassette single in the US.
The Austin Powers theme is "Soul Bossa Nova," written by Quincy Jones in 1962 - the same year the first James Bond movie was released.
Zac tells the story of Hanson's massive hit "MMMbop," and talks about how brotherly bonds effect their music.
Soul music legend Bill Withers on how life experience and the company you keep leads to classic songs like "Lean On Me."
One of the first successful female singer-songwriters, Janis had her first hit in 1967 at age 15.
Doubt led to drive for Francis, who still isn't sure why one of Status Quo's biggest hits is so beloved.
Our chat with Barney Hoskyns, who covers the wild years of Woodstock - the town, not the festival - in his book Small Town Talk.
Meshell Ndegeocello talks about recording "Wild Night" with John Mellencamp, and explains why she shied away from the spotlight.