Buchanan explained the genesis of this song to Mojo magazine: "The building that I live in looks onto other Glasgow buildings. You're sitting in the kitchen at three in the morning, but if you look out there's lights on all over the place. You think, What are they thinking about? What's keeping them awake?"
"Piano Man" was inspired by Billy Joel's time playing at a piano bar in Los Angeles. The "real estate novelist" was a guy who always talked about writing a book, but spent all his spare time in the bar.
David Bowie's "Space Oddity" tells the story of an astronaut who cuts off communication and floats into space. The BBC used it extensively in their coverage of the 1969 moon landing - an odd choice considering the lyrics.