The first Huey Lewis & the News hit, "Do You Believe In Love?," is a cover of a song Mutt Lange wrote three years earlier called "We Both Believe In Love."
Robert Plant's "Heaven Knows" is a satirical look at the '80s, when style seemed to trump substance.
Taylor Swift became the first ever female in the history of the Hot 100 to succeed herself at #1, when "Blank Space" dethroned the songstress' previous single, "Shake It Off" from the top spot.
"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."
The guys who wrote "Take Me Out To The Ballgame" had never been to a baseball game but knew it was a good song topic.
"True" by Spandau Ballet is about chief songwriter Gary Kemp's unrequited love for Altered Images singer and Gregory's Girl star Clare Grogan.
The Third Day frontman talks about some of the classic songs he wrote with the band, and what changed for his solo country album.
Just how much did these monsters of rock dabble in the occult?
The trail runs from flying saucer songs in the '50s, through Bowie, blink-182 and Katy Perry.
The longtime Eagle talks about soaring back to his solo career, and what he learned about songwriting in the group.
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.
Producer Rupert Hine talks about crafting hits for Tina Turner, Howard Jones and The Fixx.
