Foul-mouthed Californian hip hop duo Silibil n’ Brains were going to make it big. But no one knew the pair were really amiable Scotsmen, with false identities and fake American accents. When a scornful record industry branded their Scottish rap act ‘the rapping Proclaimers,’ friends Billy Boyd and Gavin Bain duped the industry and reinvented themselves as Los Angeles homeboys. ...