Lil Wayne does an unlikely rap in a remix of the Joe Jonas song "Just In Love." The pair met at the 2008 MTV Video Music Awards.
Lucinda Williams' track "Compassion" is based on a poem by her father, lauded Arkansas poet Miller Williams.
Post Malone came up with "White Iverson" after getting braids in his hair and thinking they looked like basketball legend Allen Iverson's signature cornrows.
Buddy Holly got the title for his hit song "That'll Be The Day" from a phrase John Wayne repeats in the 1956 movie The Searchers.
Ray Parker Jr. had to get the word "Ghostbusters" in the title when he wrote the theme song for the 1984 film, which was no easy task. When it came time to sing the title in the chorus, he brought in friends to make it a gang vocal.
"Happy Xmas (War Is Over)" is based on billboards John Lennon and Yoko Ono posted two years earlier declaring "War Is Over! If You Want It."
Our chat with Barney Hoskyns, who covers the wild years of Woodstock - the town, not the festival - in his book Small Town Talk.
Did this Eagle come up with the term "Parrothead"? And what is it like playing "Hotel California" for the gazillionth time?
Songs where something goes horribly wrong (literally or metaphorically), and help is needed right away.
Chad tells tales from his time as drummer for Nirvana, and talks about his group Before Cars.
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.
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.