I've been working on an event script based on the vaporetto (water bus) stops on the Grand Canal in Venice
it requires,
20 performers
20 music stands and score sheets
20 caving lamps (or other lamps that can be worn on the head)
20 red torches
20 green torches
it has not been performed but this is what is look a bit like
only with real people, in a real room and stuff