Enrique Iglesias' single "Bailando" was the first Spanish-language song to reach one billion views on YouTube.
"Personal Jesus," a song about "being a Jesus for somebody else," was inspired by Elvis and Priscilla Presley.
Musically, the Twisted Sister song "We're Not Gonna Take It" is based on the Christmas tune "O Come All Ye Faithful."
The song "Sadeness" by Enigma (the one with the chanting monks), got its name from the French novelist Marquis de Sade, who believed sex had to be painful in order to be pleasurable - thus the word "sadism."
Otis Redding often ad-libbed vocals at the end of songs, but for "(Sittin' On) The Dock Of The Bay" he just whistled instead - it became some of the most famous whistling in song history.
Kenny Loggins co-wrote the Doobie Brothers hit "What a Fool Believes," which is about a guy who just can't accept that an affair from long ago was meaningless to her.
Into the vaults for this talk with Bolton from the '80s when he was a focused on writing songs for other artists.
Toto's keyboard player explains the true meaning of "Africa" and talks about working on the Thriller album.
Director Mark Pellington on Pearl Jam's "Jeremy," and music videos he made for U2, Jon Bon Jovi and Imagine Dragons.
Paul Stanley on his soul music project, the Kiss songs with the biggest soul influence, and the non-make-up era of the band.
Some album art was at least "inspired" by others. A look at some very similar covers.
A song he wrote and recorded from "sheer spiritual inspiration," Allen's didn't think "Southern Nights" had hit potential until Glen Campbell took it to #1 two years later.