Elvis Costello says "Everyday I Write The Book" is a knockoff of Nick Lowe's "When I Write the Book."
Many assumed Train's breakthrough hit, "Drops Of Jupiter (Tell Me)," is about a woman who leaves a relationship to find herself. Lead singer Pat Monahan actually wrote it after having a dream about his mother, who was "back in the atmosphere" after dying of cancer.
Madonna wrote a song called "Love Won't Wait" that she didn't want, but became a UK #1 hit for Gary Barlow.
Members of the San Francisco 49ers, including Dwight Clark, Joe Montana and Ronnie Lott, sang backup on "Hip to Be Square" by Huey Lewis and the News.
"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.
"I Guess That's Why They Call It The Blues" by Elton John was written for the sister of actress Rene Russo. Bernie Taupin, who wrote the lyrics, was married to Rene's sister, Toni.
The "Midnight At The Oasis" singer is an Old Time gal. She talks about her jug band beginnings and shares a Dylan story.
With the rise of Kindie rock, more musicians are embracing their inner child with tunes for tots - here, we look at pop stars who recorded kids' albums.
Rickie Lee Jones on songwriting, social media, and how she's handling Trump.
How the American gangsta rappers made history by getting banned in the UK.
Richard explains how Joe Walsh kickstarted his career, and why he chose Hazard, Nebraska for a hit.
Donny Osmond talks about his biggest hits, his Vegas show, and the fan who taught him to take "Puppy Love" seriously.