The riff for The Sex Pistols' "Pretty Vacant" was pinched from a very unpunk song, the ABBA ballad "S.O.S."
Joni Mitchell wrote "Woodstock" - the most popular song about the festival - but didn't attend the event because she was booked on The Dick Cavett Show.
Michael Stipe hadn't finished the lyrics when R.E.M. recorded "Radio Free Europe." He calls the vocal "complete babbling."
The Split Enz song "Six Months In A Leaky Boat" is about the journey explorers made from Europe to colonize Australia and New Zealand, where the band is from.
The first #1 hit with a rap was "Rapture" by Blondie in 1980. Debbie Harry's rhymes left lots of room for improvement.
In 1979, Madonna was a dancer on Patrick Hernandez' tour, where she boogied to his hit "Born To Be Alive."
Iron Maiden, Adele, Toto, Eminem and Earth, Wind & Fire are just some of the artists with songs directly inspired by movies - and not always good ones.
Smith breaks down some of his worship tracks as well as his mainstream hits, including "I Will Be Here For You" and "A Place In This World."
Switchfoot's frontman and main songwriter on what inspires the songs and how he got the freedom to say exactly what he means.
Kooper produced Lynyrd Skynyrd, played with Dylan and the Stones, and formed BS&T.
Rick Astley on "Never Gonna Give You Up," "Cry For Help," and his remarkable resurgence that gave him another #1 UK album.