Will.I.am, literally dreamt up "I Gotta Feelin'." Said the Black Eyed Pea: "Have you ever had a dream where there's a melody in your dream? I'll wake up out of my sleep and record that! 'I Gotta Feelin' was one of those songs."
Most of us only know "Bad Boys" by Inner Circle from the 25 seconds used as the Cops theme, but it's a full song telling the story of a Jamaican youth who doesn't accept family support and ends up a criminal.
"Teardrop" by Massive Attack has vocals by Elizabeth Fraser of The Cocteau Twins, who wrote the lyric after learning that Jeff Buckley had died.
The lyric to "Hold On" by Wilson Phillips was inspired by Chynna Phillips' struggles with addiction. "Hold on for one more day" is something she heard in AA meetings.
"True" by Spandau Ballet is about chief songwriter Gary Kemp's unrequited love for Altered Images singer and Gregory's Girl star Clare Grogan.
Jethro Tull lead singer Ian Anderson wrote "Aqualung" after looking at pictures of homeless men that his wife took. She got a co-writing credit on the song.
Producer Rupert Hine talks about crafting hits for Tina Turner, Howard Jones and The Fixx.
Our chat with Barney Hoskyns, who covers the wild years of Woodstock - the town, not the festival - in his book Small Town Talk.
Can you be married in one country but not another? Only if you're part of a gay couple. One of the first famous singers to come out as a lesbian, Janis wrote a song about it.
A Soul Train dancer takes us through a day on the show, and explains what you had to do to get camera time.
Ozzy biting a dove? Alice Cooper causing mayhem with a chicken? Creed so bad they were sued? See if you can spot the real concert mishaps.
If you can recall the days when MTV played videos, you know that there are lots of stories to tell. See if you can spot the real ones.