Diane Warren originally wrote Aerosmith's hit tune "I Don't Want To Miss A Thing" for Celine Dion.
"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.
After the Beastie Boys sampled a bunch of Led Zeppelin songs, Robert Plant did it himself on his 1988 solo hit "Tall Cool One," which sampled "Whole Lotta Love," "Black Dog" and "The Ocean."
Sia Furler originally sent "Pretty Hurts" to Katy Perry, but she didn't see the email, so Beyonce ended up recording it instead.
"The Night Chicago Died" was written and recorded by the British group Paper Lace. They talk about Al Capone in the song, but got a lot of details wrong - understandable since they wrote it based on gangster movies.
Elvis Costello says "Everyday I Write The Book" is a knockoff of Nick Lowe's "When I Write the Book."
Find out how God and glam metal go together from the Stryper frontman.
The Scorpions and UFO guitarist is also a very prolific songwriter - he explains how he writes with his various groups, and why he was so keen to get out of Germany and into England.
The head of Drake's estate shares his insights on the late folk singer's life and music.
Laura Nyro talks about her complex, emotionally rich songwriting and how she supports women's culture through her art.
The Jayhawks' song "Big Star" has special meaning to Gary, who explains how longevity and inspiration have trumped adulation.
He wrote "She Blinded Me With Science" so he could direct a video about a home for deranged scientists.
