The "Mum-mum-mum-ma" hook on lady Gaga's "Poker Face" was sampled from Boney M's 1977 hit "Ma Baker."
The idea for "The Man Comes Around" came to Johnny Cash from a dream he had where he was in Buckingham Palace and the Queen said to him, "Johnny Cash, you're just like a thorn tree in a whirlwind."
ZZ Top's "Sharp Dressed Man" was the first video that was a sequel. It picked up the storyline of their "Gimme All Your Lovin'" video about a guy who encounters three beautiful women.
Sia planned to quit her solo career after her 2014 album 1000 Forms of Fear, but the "Chandelier" video proved so popular it drew her back in.
Stephens Stills played timbales on the Bee Gees hit, "You Should Be Dancing." He was in the next door studio laying down a Crosby, Stills and Nash album and could hear Saturday Night Fever being recorded. Stills recognized its potential to be a monster hit and he wanted to contribute.
Madonna's hit "Don't Tell Me" was written by her brother-in-law, Joe Henry, who has produced albums by Hugh Laurie and Bonnie Raitt.
Lita talks about how they wrote songs in The Runaways, and how she feels about her biggest hit being written by somebody else.
His song "Into The Night" is one of the most-played of all time. For Benny, it took him to hell and back.
David Gray explains the significance of the word "Babylon," and talks about how songs are a form of active imagination, with lyrics that reveal what's inside us.
At 80 years old, Yoko has 10 #1 Dance hits. She discusses some of her songs and explains what inspired John Lennon's return to music in 1980.
Danny played guitar on Sweet Baby James, Tapestry, and Running On Empty. He also co-wrote many hit songs, including "Dirty Laundry," "Sunset Grill" and "Tender Is The Night."
On "Life Is A Highway," his burgeoning solo career, and the Rascal Flatts song he most connects with.