Train wrote the 2011 song "Brand New Book" for the TV show The Biggest Loser - part of the song was used in the opening credits.

A gospel choir appears in Sam Smith's "Stay With Me" video, but the vocals on the song are all Smith - about 20 tracks of his voice were used to make him sound like a chorus.

"Lady Marmalade" is the only song to hit #1 twice in both the UK and US. First with the 1974 original version by Labelle, then with the 2001 remake by Christina Aguilera, Lil' Kim, Mya, Pink and Missy Elliott.

The first version of The Beatles' "Helter Skelter" was a 27-minute jam, so you can imagine what Ringo was going through pounding away on drums. To convince the guys he needed a break, he screamed, "I've got blisters on my fingers!" This was included on the fadeout.

Pink Floyd's "Run Like Hell" was released as a single in America because it has a catchy beat, but the lyrics describe a reign of terror instigated by the despot Pink, the main character in the concept album The Wall.

Wang Chung's '80s classic "Dance Hall Days" is about how things can start simple but end up complex. First you "take your baby by the hand," but by the end she has an amethyst in her mouth.
Lyrics don't always follow the rules of grammar. Can you spot the ones that don't?
The powerhouse producer behind Janet Jackson's hits talks about his Boyz II Men ballads and regrouping The Time.
One of Canada's most popular and eclectic performers, Hawksley tells stories about his oldest songs, his plentiful side projects, and the ways that he keeps his songwriting fresh.
When she released her first album in 1988, Tanita became a UK singing sensation at age 19. She talks about her darkly sensual voice and quirky songwriting style.
Long before Eminem, Justin Bieber and Nicki Minaj created alternate personas, David Bowie, Bono, Joni Mitchell and even Hank Williams took on characters.
Nick made some of the biggest videos on MTV, including "The Final Countdown," "Heaven" and "Don't Know What You Got (Till It's Gone)."