James Brown's "Get Up (I Feel Like Being a) Sex Machine" was the first Hot 100 hit with the word "sex" in the title.
"Sing" was inspired by a girl that Ed Sheeran met in Las Vegas in the summer of 2013, when "one thing led to another and now she's kissing my mouth."
Michael Jackson was only 11 years and 5 months old when the Jackson 5's "I Want You Back" became the group's first #1 hit. This made Jackson the youngest group member ever to top the Hot 100.
The Frankie Goes To Hollywood hit "Relax" is, as the band says, about "shagging." It was banned by the BBC, which sent it to #1 in the UK as listeners flocked to record stores to buy it.
A section of verse lyrics in Rihanna's "SOS" is made up of titles from '80s hits - check out the part that starts, "Take me on, I could just die up in your arms tonight."
"Teardrop" by Massive Attack has vocals by Elizabeth Fraser of The Cocteau Twins, who wrote the lyric after learning that Jeff Buckley had died.
Richard explains how Joe Walsh kickstarted his career, and why he chose Hazard, Nebraska for a hit.
How did The Edge get his name? Did they name a song after a Tolkien book? And who is "Angel of Harlem" about?
These Three famous songs actually describe how they were written - late into the evening.
Who writes a song about a name they found in a phone book? That's just one of the everyday things these guys find to sing about. Anything in their field of vision or general scope of knowledge is fair game. If you cross paths with them, so are you.
Their frontman (Chris Cornell) started out as their drummer, so Soundgarden takes a linear approach when it comes to songwriting. Kim explains how they do it.
The Evanescence frontwoman on the songs that have shifted meaning and her foray into kids' music.