
Christina Perri's "Jar Of Hearts," written about her ex, became a big hit after it was used in a routine on So You Think You Can Dance.

The Mission: Impossible theme is in 5/4 time. Composer Lalo Schifrin joked that he did it so 5-legged aliens could dance to it.

"Walking on a Thin Line" by Huey Lewis and the News is about an American soldier who is trained as a sniper in the Vietnam War. It was written for a documentary on the war.

Bruce Springsteen wrote "Blinded By The Light," which was a #1 hit for Manfred Mann's Earth Band. The "Madman Drummers" line is a reference to Springsteen's first E-Street drummer, Vinnie "Mad dog" Lopez.

Stevie Wonder wrote his own version of "Happy Birthday" in an attempt to get Martin Luther King's birthday declared a national holiday.
Doubt led to drive for Francis, who still isn't sure why one of Status Quo's biggest hits is so beloved.
Our chat with Barney Hoskyns, who covers the wild years of Woodstock - the town, not the festival - in his book Small Town Talk.
The former Metallica bassist talks about his first time writing a song with James Hetfield, and how a hand-me-down iPad has changed his songwriting.
Deep Purple's guitarist since 1994, Steve talks about writing songs with the band and how he puts his own spin on "Smoke On The Water."
Charlie discusses the songs that made him a Southern Rock icon, and settles the Devil vs. Johnny argument once and for all.