Doonesbury by Garry Trudeau for February 24, 1976
Duke: Alright, let's get this over with... Mr. Ming: Have no concern, Mr. Duke - our opera always starts on time. Noise: Rat-a-tat-tat!! Rat-at-tat-tat!! Duke: Good Lord! What the hell was that?! Mr. Ming: Do not be alarmed, Mr. Duke - it is only the overture. Duke: Automatic weapons fire is the overture?! Mr. Ming: As it often is in life itself, Mr. Duke.