"Sweet Child O' Mine" is about Erin Everly, who was Axl Rose's girlfriend at the time. She is the daughter of Don Everly of the Everly Brothers.
The bedrock of David Guetta's Nicki Minaj-featuring single "Hey Mama" is a sample of "Rosie," a 1940s prison recording from folk archivist Alan Lomax that songwriter Esther Dean first showed the French DJ on YouTube.
"Cigarettes And Chocolate Milk" describes a time in Rufus Wainwright's life when he found himself hungover and pounding chocolate milk to feel better. It didn't work, so he smoked a cigarette, which is when he realized his addictive personality could be a problem.
Stevie Wonder wrote the Rufus funk classic "Tell Me Something Good."
"Handle With Care" started as a George Harrison song with guest appearances by Roy Orbison, Bob Dylan, Tom Petty and Jeff Lynne, but it went so well the five of them decided to form a group - The Traveling Wilburys - and record an entire album.
The Phoenix song "1901" is about Paris. Their lead singer Thomas Mars said: "Paris in 1901 was better than it is now. So the song is a fantasy about Paris."
Taylor talks about "The Machine" - the hits, the videos and Clive Davis.
In her days with The Runaways, Joan Jett saw The Arrows perform "I Love Rock And Roll," which Alan Merrill co-wrote - that story and much more from this glam rock pioneer.
Ron Nevison explains in very clear terms the Quadrophenia concept and how Heart staged their resurgence after being dropped by their record company.
Rufus Wainwright on "Hallelujah," his album Unfollow The Rules, and getting into his "lyric trance" on 12-hour walks.
Armed with a childhood spent devouring books, Mike Scott's heart was stolen by the punk rock scene of 1977. Not surprisingly, he would go on to become the most literate of rockers.
Rickie Lee Jones on songwriting, social media, and how she's handling Trump.