Bob Seger's song "Beautiful Loser" was inspired by book Leonard Cohen published in 1966 called Beautiful Losers.
The Four Tops' "I Can't Help Myself (Sugar Pie Honey Bunch)" was written by the Motown team of Lamont Dozier, Brian Holland and Eddie Holland. The phrase "Sugar pie, honey bunch" was something Dozier's grandfather used to say when he was a kid.
The riff for The Sex Pistols' "Pretty Vacant" was pinched from a very unpunk song, the ABBA ballad "S.O.S."
KT Tunstall's "Suddenly I See" was inspired by Robert Mapplethorpe's photograph of Patti Smith on the cover of her album Horses.
John Lennon wrote "The Continuing Story of Bungalow Bill" about Richard Cooke, a hunter he met at the Maharishi's camp in India. Cooke hasn't shot anything since the camp, except with his camera - he became a freelance photographer for National Geographic.
AC/DC's 1990 song "Mistress For Christmas" is about Donald Trump, who was in the news because of his affair with the model Marla Maples.
Dokken frontman Don Dokken explains what broke up the band at the height of their success in the late '80s, and talks about the botched surgery that paralyzed his right arm.
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.
Was Janet secretly married at 18? Did she gain 60 pounds for a movie role that went to Mariah Carey? See what you know about Ms. Jackson.
Justin wrote the classic "Nights In White Satin," but his fondest musical memories are from a different decade.
David talks about videos he made for Prince, Alabama, Big & Rich, Sheryl Crow, DMB, Melissa Etheridge and Sisters of Mercy.
Many actors have attempted music, but only a few have managed a hit. Do you know which of these thespians charted?