"Cigarettes And Chocolate Milk" describes a time in Rufus Wainwright's life when he found himself hungover and pounding chocolate milk to feel better. It didn't work, so he smoked a cigarette, which is when he realized his addictive personality could be a problem.
Beyoncé married Jay-Z five months before releasing "Single Ladies (Put a Ring On It)," a song she sang in character as her alter-ego, Sasha Fierce.
45% of the royalties for "Somebody That I Used To Know" go to the estate of the Brazilian classical guitarist Luiz Bonfá, whose song "Seville" Gotye sampled.
The 311 song "Amber" is likely about Nicole Scherzinger, who was dating the band's lead singer Nick Hexum.
The Austin Powers theme is "Soul Bossa Nova," written by Quincy Jones in 1962 - the same year the first James Bond movie was released.
The game Lana Del Rey sings about in "Video Games" is World of Warcraft - her ex used to play it all the time.
How did The Edge get his name? Did they name a song after a Tolkien book? And who is "Angel of Harlem" about?
Kooper produced Lynyrd Skynyrd, played with Dylan and the Stones, and formed BS&T.
Not everyone can be a superhero, but that hasn't stopped generations of musicians from trying to be Superman.
The Scorpions and UFO guitarist is also a very prolific songwriter - he explains how he writes with his various groups, and why he was so keen to get out of Germany and into England.
Writing with Phil Lynott, Scott saw their ill-fated frontman move to a darker place in his life and lyrics.
Meshell Ndegeocello talks about recording "Wild Night" with John Mellencamp, and explains why she shied away from the spotlight.
