Amy Winehouse really did refuse "Rehab." She said she drank because she was lovesick, and "you can't go into rehab for that."
The phrase "Mamma Mia" was big in 1976. It was the name of a popular Abba song, and also showed up in the lyrics to "Bohemian Rhapsody" by Queen.
Katy Perry's "Dark Horse" was co-written by Sarah Hudson, who is a singer-songwriter and a member of the Pop group Ultraviolet Sound. Though Sarah isn't related to Katy (whose real name is Katy Hudson), she is the first cousin of another famous person with the same name, the actress Kate Hudson.
Dr. Luke and Max Martin originally wrote Kelly Clarkson's "Since U Been Gone" with Pink in mind but she turned it down.
Movie director Michel Gondry played live drums on the Late Registration track, "Diamonds From Sierra Leone." The Eternal Sunshine of The Spotless Mind filmmaker happened to be in the studio on a day when producer Jon Brion was setting up a drum kit
"I Won't Back Down" is a very personal song for Tom Petty. "I thought it wasn't that good because it was so naked," he said.
Deep Purple's guitarist since 1994, Steve talks about writing songs with the band and how he puts his own spin on "Smoke On The Water."
The "Lowdown" and "Lido Shuffle" singer makes a habit of playing with the best in the business.
As Procol Harum's lyricist, Keith wrote the words to "A Whiter Shade Of Pale." We delve into that song and find out how you can form a band when you don't sing or play an instrument.
Kevin Godley talks about directing classic videos for The Police, U2 and Duran Duran, and discusses song and videos he made with 10cc and Godley & Creme.
The "A Thousand Miles" singer on what she thinks of her song being used in White Chicks and how she captured a song from a dream.
Collaborating with T Bone Burnett, Leslie Phillips changed her name and left her Christian label behind - Robert Plant, who recorded one of her songs on Raising Sand, is a fan.