Prince Markie Dee of The Fat Boys co-wrote the Mary J. Blige hit "Real Love."
The Sam & Dave classic "Soul Man" was re-recorded by Sam Moore and Lou Reed for the 1986 movie Soul Man, about a white guy who pretends to be black so he can get a scholarship to Harvard.
Chrissie Hynde got the phrase "Brass In Pocket" from a Northern England slang term meaning you had some money, "brass" meaning coins.
The first Huey Lewis & the News hit, "Do You Believe In Love?," is a cover of a song Mutt Lange wrote three years earlier called "We Both Believe In Love."
"Girl Crush" by Little Big Town came from the hashtag #girlcrush, which its co-writer, Lori McKenna, spotted on Instagram.
The lead singer of Everclear, Art is also their primary songwriter.
Justin wrote the classic "Nights In White Satin," but his fondest musical memories are from a different decade.
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."
Chad tells tales from his time as drummer for Nirvana, and talks about his group Before Cars.
The Doobies guitarist and lead singer, Tom wrote the classics "Listen To The Music," "Long Train Runnin'" and "China Grove."
When you have a song called "Fire," it's tempting to set one - these guys did.