Elton John's "Rocket Man" is based on a Ray Bradbury story called The Rocket Man published in 1951.
"The Lion Sleeps Tonight" is an English version of a Zulu hunting song from the 1930s.
The chant in the Bruno Mars/Rosé hit "APT" is "apateu," the Korean word for apartment. It's named after a Korean drinking game called "Apartment" that Rosé told Bruno about.
Ariana Grande's collaboration with Zedd, "Break Free" came about after the Russian-German producer overheard Grande performing at a label showcase while he was backstage, and he mentioned to his team that he wanted to work with her.
"Zombie" by The Cranberries is about an IRA bombing in England that killed two children.
"One Way Or Another" is based on a stalker who creeped out Blondie lead singer Debbie Harry.
When a song describes a wedding, it's rarely something to celebrate - with one big exception.
"Great songwriters don't necessarily have hit songs," says Chris. He's written a bunch, but his fans are more interested in the intricate jams.
When she released her first album in 1988, Tanita became a UK singing sensation at age 19. She talks about her darkly sensual voice and quirky songwriting style.
Dave reveals the inspiration for "Feelin' Alright" and explains how the first song he ever wrote became the biggest hit for his band Traffic.
Does Angus really drink himself silly? Did their name come from a sewing machine? See if you can spot the real stories about AC/DC.
With Bernie Taupin, Martin co-wrote the #1 hits "We Built This City" and "These Dreams." After writing the Pretty Woman song for Go West, he had his own hit with "In the House of Stone and Light."