"Panama" by Van Halen is not about the country or the canal, but about a stripper David Lee Roth met in Arizona.
Jimi Hendrix wrote "The Wind Cries Mary" not about marijuana, but about his girlfriend at the time, Kathy Mary Etchingham.
The thunderclap sound heard in the Bee Gees song "Tragedy" was made by Barry Gibb with his mouth.
Bruce Springsteen originally wrote "Fire" for Elvis Presley in 1977, and even sent him a demo. Sadly the King died before he ever heard it, and it was left to the Pointer Sisters to record the song.
Paper Mate paid for Autograph's "Turn Up The Radio" video in exchange for prominent placement of their erasable pen.
Ed Sheeran's "Bloodstream" was written after an experience taking MDMA during a wedding celebration in Ibiza, and it's basically about all the feelings that he got from that time.
Greg talks about writing songs of "universal truth" for King Crimson and ELP, and tells us about his most memorable stage moment (it involves fireworks).
Have you got the smarts to know which of these graduation song stories are real?
"25 or 6 to 4" to "Semi-Charmed Life" - see if you can spot the songs that are really about drugs.
The Winger frontman reveals the Led Zeppelin song he cribbed for "Seventeen," and explains how his passion for orchestra music informs his songwriting.
An interview with Dr. John Covach, music professor at the University of Rochester whose free online courses have become wildly popular.
The Doobies guitarist and lead singer, Tom wrote the classics "Listen To The Music," "Long Train Runnin'" and "China Grove."