Gwen Stefani wrote the early No Doubt song "Just a Girl" as a message to her overprotective father.
Rihanna was Pitbull's first choice to sing on "Timber," but she wasn't available at the time so he enlisted his RCA labelmate Kesha instead.
"Lean On" was originally sent by Major Lazer to both Rihanna and Nicki Minaj's camps as a slower reggae track. After both parties rejected the tune, Major Lazer recruited Danish singer MØ to supply vocals and recorded it themselves.
The motto for Boys Town, which was a Nebraska home for troubled youth, inspired the song "He Ain't Heavy, He's My Brother" by The Hollies.
All The Young Dudes "carry the news" because it was intended for a David Bowie concept album where Ziggy Stardust spreads the news in a world with electricity.
Mariah Carey's "We Belong Together" was the best-selling song of the 2000s in the US.
The renown Texas songwriter has been at it for 40 years, with tales to tell about The Flatlanders and The Clash - that's Joe's Tex-Mex on "Should I Stay or Should I Go?"
The Stooges guitarist (and producer of the Kill City album) talks about those early recordings and what really happened with David Bowie.
Meshell Ndegeocello talks about recording "Wild Night" with John Mellencamp, and explains why she shied away from the spotlight.
Was Janet secretly married at 18? Did she gain 60 pounds for a movie role that went to Mariah Carey? See what you know about Ms. Jackson.
John Lennon, Paul Simon and Lynyrd Skynyrd are some of the artists who have written revenge songs. Do you know who they wrote them about?
Songs where something goes horribly wrong (literally or metaphorically), and help is needed right away.