The Key to Reserva (2007)
At the end of the film, Scorsese says that next he can film a lost scene from "Greed."
Being flashed with a red afterglow
The whole idea of the plot taking place in a music hall and the shot of the man falling off the balcony is a reference to the assassin falling off the balcony.
When the man falls off the balcony, a 2 second shot of the lead character reacting is taken using the Dolly zoom or the 'Vertigo' zoom as it is popularly known, since it was invented by Alfred Hitchcock.
The handkerchief shows R.O.T. inscription, like Cary Grant's one.
At the end of the short, we can see hundred of crows around the building