As the Chief comments, "it can't last." The soundproof glass sphere covers the band, making their music inaudible, and in their panic to run away, the natives are fired at by the Blue Meanies' guns, whose missiles both drain their victims' color on contact and seem to petrify them.
The Chief notes that this state cannot continue. The glass sphere surrounding the band muffles their music, and in their desperate bid to escape, the locals are targeted by the Blue Meanies' firearms, which strip their victims of color when they come into contact with them and seem to paralyze them.