"Virginia" in "Only The Good Die Young" is named after a real girl Billy Joel was trying to impress.
Sia Furler originally sent "Pretty Hurts" to Katy Perry, but she didn't see the email, so Beyonce ended up recording it instead.
The comedian Steve Martin had a hit in 1978 with "King Tut." The Nitty Gritty Dirt Band, who Martin would open for on tour, were his backing band on the song.
"Wanted Dead Or Alive" by Bon Jovi got the Unplugged craze going when Jon Bon Jovi and Richie Sambora performed it with just their acoustic guitars at the 1989 MTV Video Music Awards.
Steve Perry wrote "Lovin', Touchin', Squeezin'" with the opening lyrics, "You make me weep, I wanna die," after seeing his girlfriend kissing another man.
Lou Reed's "Walk On The Wild Side" tells the story of real people who were part of Andy Warhol's "factory," including Holly Woodlawn and Candy Darling.
Scaramouch, a hoople and a superhero soundtrack - see if you can spot the real Queen stories.
Jim talks about the impact of "The Middle" and uses a tree metaphor to describe his songwriting philosophy.
The Stooges guitarist (and producer of the Kill City album) talks about those early recordings and what really happened with David Bowie.
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."
Rufus Wainwright on "Hallelujah," his album Unfollow The Rules, and getting into his "lyric trance" on 12-hour walks.
An interview with Frankie Valli, who talks about why his songs - both solo and with The Four Seasons - have endured, and reflects on his time as Rusty Millio on The Sopranos.