Taylor Swift became the first woman in the history of the Hot 100 to succeed herself at #1 when "Blank Space" dethroned her previous single, "Shake It Off," from the top spot in 2014.
The Jesus Jones song "Right Here, Right Now" was conceived as an optimistic version of Prince's "Sign O' The Times."
Christina Aguilera did her "Beautiful" vocal in one take; the opening line, "Don't look at me," is something she said to her friend in the studio who was there to offer support.
"99 Luftballons" by Nena is about a Cold War scare when balloons showed up on radar and were mistaken as a nuclear threat.
"Rhythm Of My Heart" by Rod Stewart is about a soldier at war - his heart is beating like a drum because he's in battle.
Meghan Trainor wrote "Lips Are Movin" in just eight minutes with her writing partner Kevin Kadish.
The guitarist/songwriter explains how he came up with his signature sound, and deconstructs some classic Fear Factory songs.
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?
The Prince-penned "Manic Monday" was the first song The Bangles heard coming from a car radio, but "Eternal Flame" is closest to Susanna's heart, perhaps because she sang it in "various states of undress."
John tells the "St. Elmo's Fire (Man In Motion)" story and explains why he disappeared for so long.
If the name Citizen Dick means anything to you, there's a chance you'll get some of these right.
Michelle Branch talks about "Everywhere," "The Game Of Love," and her run-in with a Christian broadcasting network.