Will.I.am, literally dreamt up "I Gotta Feelin'." Said the Black Eyed Pea: "Have you ever had a dream where there's a melody in your dream? I'll wake up out of my sleep and record that! 'I Gotta Feelin' was one of those songs."
George Michael was 17 and on a bus to his job at the cinema when he came up with the idea for "Careless Whisper" and the lyrics, "Something in your eyes calls to mind a silver screen."
When the Christian band DC Talk covered Nirvana's "All Apologies" at concerts, they would change the line "Everyone is gay" to "Jesus is the Way."
The first country song to win a Grammy for Record of the Year was "Not Ready To Make Nice" by The Dixie Chicks in 2007.
"Kashmir" is the only Led Zeppelin song to use outside musicians, as it needed strings and horns.
Waters tells the "Gypsy Woman" story, shares some of her songwriting insights, and explains how Dennis Rodman ended up on one of her songs.
Shows like Dawson's Creek, Grey's Anatomy and Buffy the Vampire Slayer changed the way songs were heard on TV, and produced some hits in the process.
A drummer for one of the most successful metal bands of the last decade, Chris talks about what it's like writing and performing with Slipknot. Metal-neck is a factor.
An Electronic music pioneer with Asperger's Syndrome. This could be interesting.
In the name of song explanation, Al talks about scoring heroin for William Burroughs, and that's not even the most shocking story in this one.
The Brazilian rocker sees pictures in his riffs. When he came up with one of his gnarliest songs, there was a riot going on.
