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.
The philosophical Kansas song "Dust In The Wind" is inspired by a line of Native American poetry: "For all we are is dust in the wind."
"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.
"Crazy Train" by Ozzy Osbourne is about the Cold War concept of Mutually Assured Destruction (M.A.D.) should any nuclear missile be fired.
Jon Bon Jovi earned his first movie credit - Young Guns II - by writing "Blaze Of Glory" for the film.
"In The Air Tonight" by Phil Collins was revived when it was used in the first episode of Miami Vice, three years after it was released.
The '70s gave us Muppets, disco and Van Halen, all which show up in this groovy quiz.
The Bush frontman on where he finds inspiration for lyrics, if his "machine head" is a guitar tuner, and the stories behind songs from the album The Kingdom.
Rickie Lee Jones on songwriting, social media, and how she's handling Trump.
Richard explains how Joe Walsh kickstarted his career, and why he chose Hazard, Nebraska for a hit.
Brian has unearthed outtakes by Fleetwood Mac, Aretha Franklin, Elvis Costello and hundreds of other artists for reissues. Here's how he does it.
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.