 Katrina <unk> – backing vocals on " Concerning the UFO Sighting Near Highland , Illinois " , " Come On ! Feel the Illinoise ! " , " Jacksonville " , " Prairie Fire That <unk> About " , " The Predatory Wasp of the Palisades Is Out to Get Us ! " , " The Seer 's Tower " , " The Tallest Man , the Broadest Shoulders " , and " The Avalanche " 
