Once Upon a Time in the West is a 1968 spaghetti western film about a mysterious stranger with a harmonica who joins forces with a notorious desperado to protect a beautiful widow from a ruthless assassin working for the railroad.
Harmonica: Your friends have a high mortality rate Frank. First three, then two.
Frank: So, you're the one who makes appointments.
Harmonica: And you're the one who doesn't keep them.