"Man On The Moon" by R.E.M. is about the comedian Andy Kaufman, who often seemed like he was from another planet.
At the end of AC/DC's "Night Prowler," you hear Bon Scott say, "Shazbot, Nanu Nunu." Those were Robin Williams' sayings on his TV show Mork & Mindy. Scott was a big fan.
The very American song "What Made Milwaukee Famous" was never a big hit in the US, but Rod Stewart made it famous in the UK.
Alicia Keys, Elton John, Fergie, and Rihanna all sang on "All of the Lights" by Kanye West.
Johnny Cash's wife, June Carter, wrote "Ring Of Fire" about their relationship.
"We're An American Band" by Grand Funk describes real events on their 1972 tour, including an encounter with a legendary groupie called "Sweet Connie."
Glen Ballard talks about co-writing and producing Alanis Morissette's Jagged Little Pill album, and his work with Dave Matthews, Aerosmith and Annie Lennox.
On Glen's résumé: hit songwriter, Facebook dominator, and member of Styx.
The guy who brought us "Stacy's Mom" also wrote the Jane Lynch Emmy song and Stephen Colbert's Christmas songs.
JJ talks about The Stranglers' signature sound - keyboard and bass - which isn't your typical strain of punk rock.
The Def Leppard frontman talks about their "lamentable" hit he never thought of as a single, and why he's juiced by his Mott The Hoople cover band.
His song "Into The Night" is one of the most-played of all time. For Benny, it took him to hell and back.