The first single to simultaneously top the UK and US charts was The Everly Brothers' "Cathy's Clown" in May 1960.
"Girl Crush" by Little Big Town came from the hashtag #girlcrush, which its co-writer, Lori McKenna, spotted on Instagram.
Richard Harris, who played Professor Dumbledore in the first two Harry Potter movies, had a hit in 1968 with "MacArthur Park."
Fall Out Boy's "The Phoenix" samples the classical work "Allegro Non Troppo," which was composed by Dmitri Shostakovich in 1941. Vocalist Patrick Stump was inspired by "the creepiness" of the strings.
Lindsay Lohan sued Pitbull for defamation over the line in his song "Give Me Everything (Tonight)," ""I got it locked up like Lindsay Lohan."
Rick has a surprising dark side, a strong feminine side and, in a certain TV show, a naked backside. But he still hasn't found Jessie's Girl.
Since emerging from MySpace with her hit "Bubbly," Colbie has become a top songwriter, even crafting a hit with Taylor Swift.
On the "schizoid element" of his lyrics, and a famous line from "Everything Zen."
The Christian rapper talks about where his trip to Haiti and his history of addiction fit into his songs.
When he was asked to write a song for the Singles soundtrack, Mark thought the Seattle grunge scene was already overblown, so that's what he wrote about.
Brenda talks about the inspiration that drove her to write hit songs like "Get Here" and "Piano in the Dark," and why a lack of formal music training can be a songwriter's best asset.