The first time Jimmy Page, Robert Plant, John Bonham and John Paul Jones all recorded together in the studio was when they backed American singer PJ Proby on his 1969 album Three Week Hero.
"Anaconda" was originally recorded by Missy Elliott in 2012, but she decided to shelf the track so it went to Nicki Minaj, who released it two years later.
Ronnie Spector nailed the vocal for The Ronettes song "(Walking) In the Rain" on the first take -- unheard of in the perfectionist producer Phil Spector's world.
One of the moodiest hits of the '90s is "Creep" by Radiohead. It was the group's first single, and to their dismay, it became their biggest hit - it wasn't the song they wanted to be known for.
Eric Clapton wrote "Layla" about his love for Pattie Harrison, who was married to George Harrison at the time. He eventually married Pattie, and managed to stay friends with George.
Judas Priest's "Evening Star" is a Christmas carol that describes the journey of the Magi from a first person perspective.
John tells the "St. Elmo's Fire (Man In Motion)" story and explains why he disappeared for so long.
Gary Lewis and the Playboys had seven Top 10 hits despite competition from The Beatles. Gary talks about the hits, his famous father, and getting drafted.
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."
Waters tells the "Gypsy Woman" story, shares some of her songwriting insights, and explains how Dennis Rodman ended up on one of her songs.
He's a singer and an actor, but as a songwriter Paul helped make Kermit a cultured frog, turned a bank commercial into a huge hit and made love both "exciting and new" and "soft as an easy chair."
Jon Fratelli talks about the band's third album, and the five-year break leading up to it.