Christina Perri's "Jar Of Hearts," written about her ex, became a big hit after it was used in a routine on So You Think You Can Dance.
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.
Judas Priest's "Evening Star" is a Christmas carol that describes the journey of the Magi from a first person perspective.
Zayn's "Pillowtalk" reached #1 on the Hot 100, something his former One Direction bandmates never achieved.
"Ain't No Sunshine" by Bill Withers was inspired by the Jack Lemmon movie Days of Wine and Roses.
Paul Stanley and Gene Simmons of Kiss wrote "Rock And Roll All Nite" as a "rallying cry for all of our fans." In later years, members of Kiss wrote songs separately.
Hitmaker Carl Sturken on writing and producing for Rihanna, 'N Sync, Christina Aguilera, Kelly Clarkson, Donny Osmond, Shakira and Karyn White.
Shaun breaks down the Seether songs, including the one about his brother, the one about Ozzy, and the one that may or may not be about his ex-girlfriend Amy Lee.
Tyler talks about his true love: songwriting. How he identifies the beauty in a melody and turns sorrow into art.
Jon Fratelli talks about the band's third album, and the five-year break leading up to it.
When Judd Apatow needed under-appreciated rockers for his Knocked Up sequel, he immediately thought of Parker, who just happened to be getting his band The Rumour back together.
The outlaw country icon talks about the spiritual element of his songwriting and his Bob Dylan mention.