"Paper Planes" was inspired by M.I.A.'s hassles trying to get a visa to enter America.
The bedrock of David Guetta's Nicki Minaj-featuring single "Hey Mama" is a sample of "Rosie," a 1940s prison recording from folk archivist Alan Lomax that songwriter Esther Dean first showed the French DJ on YouTube.
John Lennon got the title of the Beatles song "Happiness Is A Warm Gun" from an article in a magazine published by the National Rifle Association.
John Lennon wrote "The Continuing Story of Bungalow Bill" about Richard Cooke, a hunter he met at the Maharishi's camp in India. Cooke hasn't shot anything since the camp, except with his camera - he became a freelance photographer for National Geographic.
"Sunday Girl" was written by Blondie guitarist Chris Stein to cheer up Debbie Harry after her cat had run away whilst they were away on tour. The gray cat was called Sunday Man.
"Won't Get Fooled Again" by The Who is about a revolution, but it doesn't have a happy ending, since in the end the new regime becomes just like the old one. Pete Townshend thought that whoever was in power was destined to become corrupt.
Roger reveals the songwriting formula Clive Davis told him, and if "Eight Miles High" is really about drugs.
Kevin Godley talks about directing classic videos for The Police, U2 and Duran Duran, and discusses song and videos he made with 10cc and Godley & Creme.
You know the scenes - Tom Cruise in his own pants-off dance off, Molly Ringwald celebrating her birthday - but do you remember what song is playing?
A renowned guitarist and rock revivalist, Dave took "I Hear You Knocking" to the top of the UK charts and was the first to record Elvis Costello's "Girls Talk."
Is Owl City on a quest for another hit like "Fireflies?" Adam answers that question and explains the influences behind many others.