"Forever" by Chris Brown was written for a Wrigley's Doublemint Gum commercial. The full song contains the gum's tagline: "Double your pleasure, double your fun."
It really was so easy for Linda Ronstadt to score a hit with her Buddy Holly cover of "It's So Easy." She would sometimes change the lyric to: "It's so easy to have a hit, all you have to do is recycle it."
"Personal Jesus," a song about "being a Jesus for somebody else," was inspired by Elvis and Priscilla Presley.
Dexys Midnight Runners' "Come on Eileen" is based on a real girl called Eileen that the band's Kevin Rowland had a relationship with in his early teenage years.
Paula Abdul's "Forever Your Girl" was written by Oliver Leiber, who despite being the son of Jerry Leiber from Leiber & Stoller, was an unknown songwriter.
MC Skat Kat was created for the remix of "Opposites Attract," which was released as the last single from Paula Abdul's Forever Your Girl album. The team that created the Kat also did a-ha's "Take On Me" video.
David Gray explains the significance of the word "Babylon," and talks about how songs are a form of active imagination, with lyrics that reveal what's inside us.
When a song describes a wedding, it's rarely something to celebrate - with one big exception.
The Celtic music maker Loreena McKennitt on finding musical inspiration, the "New Age" label, and working on the movie Tinker Bell.
Rickie Lee Jones on songwriting, social media, and how she's handling Trump.
How did The Edge get his name? Did they name a song after a Tolkien book? And who is "Angel of Harlem" about?
Do you know who wrote Patti Smith's biggest hit? How about the Grease theme song? See if you can match the song to the writer.