The original "Enter Sandman" lyric was about crib death, with the "sandman" killing a baby.
Christine McVie wrote "Songbird" for Fleetwood Mac's Rumours album in just half a hour after she woke up in the middle of the night with the song in her head.
David Byrne says "Road To Nowhere" is about "how there's no order and no plan and no scheme to life and death and it doesn't mean anything, but it's all right.
The fadeout on Drake's "Hotline Bling" lasts 55 seconds - one of the longest outros of any hip-hop hit.
Chrissie Hynde got the phrase "Brass In Pocket" from a Northern England slang term meaning you had some money, "brass" meaning coins.
Dexys Midnight Runners' "Come on Eileen" is based on a real girl called Eileen that the band's Kevin Rowland had a relationship with in his early teenage years.
The Nails lead singer Marc Campbell talks about those 44 women he sings about over a stock Casio keyboard track. He's married to one of them now - you might be surprised which.
The Guns N' Roses rhythm guitarist in the early '90s, Gilby talks about the band's implosion and the side projects it spawned.
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 2011 Artist of the Year at the Dove Awards isn't your typical gospel diva, and she thinks that's a good thing.
Ian talks about his 3 or 4 blatant attempts to write a pop song, and also the ones he most connected with, including "Locomotive Breath."
When you free your mind, your ass may follow, but you have to make sure someone else doesn't program it while it's wide open.