In the name of song explanation, Al talks about scoring heroin for William Burroughs, and that's not even the most shocking story in this one.
The head of Drake's estate shares his insights on the late folk singer's life and music.
The lead singer/lyricist for Anberlin breaks down "Impossible" and covers some tracks from their 2012 album Vital.
The men of Sparks on their album Hippopotamus, and how Morrissey handled it when they suggested he lighten up.
"London Bridge," "Ring Around the Rosie" and "It's Raining, It's Pouring" are just a few examples of shockingly morbid children's songs.

Recording "Don't Let The Sun Go Down On Me," Elton John was frustrated and sang the line "don't discard me" with an exaggerated American accent, which is why is sounds strange.

Tina Turner hated "What's Love Got To Do With It" but when her manager convinced her to record it anyway, it became her big comeback hit.

"Only Wanna Be With You" by Hootie & the Blowfish is a tribute to Bob Dylan, but Dylan sued them over it for using lyrics from his song "Idiot Wind."

"Torn" by Natalie Imbruglia was first recorded by the group Ednaswap in 1993. It was written by Ednaswap's Anne Previn and Scott Cutler, who went on to write some hits for Miley Cyrus.

Musically, the Twisted Sister song "We're Not Gonna Take It" is based on the Christmas tune "O Come All Ye Faithful."

"Crazy Train" by Ozzy Osbourne is about the Cold War concept of Mutually Assured Destruction (M.A.D.) should any nuclear missile be fired.