Bob Dylan's four handwritten pages containing the original draft of "Like a Rolling Stone" fetched over $2m at Sothebys New York in June 2014 setting a price record for a popular music manuscript.
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.
Mary J. Blige had regrets over singing about getting drunk in "Family Affair."
"Human" by The Killers was the most streamed song on Spotify in 2008, the year that the music streaming service was launched.
Sarah McLachlan wrote "Angel" about the Smashing Pumpkins touring keyboard player Jonathan Melvoin, who overdosed on heroin and died in 1996.
"In-A-Gadda-Da-Vida" was supposed to be titled "In The Garden Of Eden," but someone in the studio wrote down the title phonetically, and it stuck.
The guy who brought us "Stacy's Mom" also wrote the Jane Lynch Emmy song and Stephen Colbert's Christmas songs.
A popular contemporary folk singer, Williams still remembers the sticky note that changed her life in college.
The Stooges guitarist (and producer of the Kill City album) talks about those early recordings and what really happened with David Bowie.
The outlaw country icon talks about the spiritual element of his songwriting and his Bob Dylan mention.
Joe talks about the challenges of of making a Duke Ellington tribute album, and tells the stories behind some of his hits.
Daryl Hall's TV show is a hit, and he's been inducted into the Rock and Roll Hall of Fame - only one of these developments excites him.