Miguel wrote "Adorn" about his girlfriend, model and artist Nazanin Mandi when he was returning home from a long trip and was anxious to see her.
Jay-Z's "Hard Knock Life (Ghetto Anthem)" is based on the song "It's A Hard Knock Life" from the Broadway play Annie.
The Spacehog song "In The Meantime" samples an obscure recording of telephone noise, which is used at the beginning of the song.
Diane Warren originally wrote Aerosmith's hit tune "I Don't Want To Miss A Thing" for Celine Dion.
George Harrison's 1971 song "Bangla Desh" was the first major charity single. It was part of a concert held to bring relief to the people of Bangladesh, who were fighting for independence and suffering from a famine.
Elton John's "Rocket Man" is based on a Ray Bradbury story called The Rocket Man published in 1951.
In this talk from the '80s, the Kansas frontman talks turning to God and writing "Dust In The Wind."
How well do you know this shock-rock harbinger who's been publicly executed hundreds of times?
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.
The Jayhawks' song "Big Star" has special meaning to Gary, who explains how longevity and inspiration have trumped adulation.
From "Some Day My Prince Will Come" to "Let It Go" - how Disney princess songs (and the women who sing them) have evolved.
Dean wrote the screenplay and lyrics to all the songs in Footloose. His other hits include "Fame" and "All The Man That I Need."
