Musician Quotes and aphorisms about fictional Billie Eilish ,, 'Bellyache' is totally fictional. I like writing about things that aren't real. The song is about n... Dan Smith Jason Isbell Holly Valance Josh Dun James Bay ,, Both Springsteen and Michael Jackson, who had these huge productions, could always scale them back ... Aimee Mann Sydney Wayser Sydney Wayser Mika