"Baby One More Time" was originally offered to TLC but they passed on it. The R&B trio felt uncomfortable singing "'hit me baby one more time."
Sarah McLachlan wrote "Angel" about the Smashing Pumpkins touring keyboard player Jonathan Melvoin, who overdosed on heroin and died in 1996.
Rupaul was in the video for "Love Shack" by the B-52's. He had a solo hit with "Supermodel" a few years later.
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.
"Stop Your Sobbing" was first recorded by The Kinks in 1964. It became the Pretenders first single 15 years later, leading to a relationship between Ray Davies and Chrissie Hynde.
Madonna's "Justify My Love" was co-written by Lenny Kravitz.
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.
Stage urinals, flute devices, and the real Aqualung in this Fact or Fiction.
Shows like Dawson's Creek, Grey's Anatomy and Buffy the Vampire Slayer changed the way songs were heard on TV, and produced some hits in the process.
Billie Jean, Delilah, Sara, Laura and Sharona - do you know who the girls in the songs really are?
Howard explains his positive songwriting method and how uplifting songs can carry a deeper message.
Despite appearances on Carson, Leno and a Pennebaker film, Williams remains a hidden treasure.