The track started out as an instrumental with the title "The Invasion of the Estate Agents". While also included as the B-side to this single, it originally appeared as the B-side to Cook's 1989 single "For Spacious Lies". This instrumental track is heavily based on the bassline from The Clash's "Guns of Brixton", with a sample of the distinctive "harmonica" theme from the epic western film "Once Upon a Time in the West", written by Ennio Morricone. This instrumental, in slightly remixed form, had vocals added from The SOS Band's "Just Be Good to Me" (as re-recorded by Lindy Layton) to form "Dub Be Good to Me". Cook told in an interview: