mickey in fireworks
the fireworks shells are fired by a system that is running "time code"( a digital signal in the soundtrack) which ignites an electric match in the shells so they can send up several shells at one time and can be timed to the music. the mickey "ears" are three shells fired all at once the mortars from which the shells are shot are aimed in the
0 0
0 pattern.
The shooting "stars" are an item we call tiger tails or comets, it's just a fireworks shell which burns brightly as it leaves the mortar from which it was fired then burns out