The Critic is a 1963 short animation by director/producer Ernest Pintoff

Ernest Pintoff

Ernest Pintoff was an American film and television director, screenwriter and film producer....

 and creator/narrator Mel Brooks

Mel Brooks

Mel Brooks is an American film director, screenwriter, composer, lyricist, comedian, actor and producer. He is best known as a creator of broad film farces and comic parodies. He began his career as a stand-up comic and as a writer for the early TV variety show Your Show of Shows...

, that won an Academy Award for Short Subjects (Cartoons)

Academy Award for Animated Short Film

The Academy Award for Animated Short Film is an award which has been given by the Academy of Motion Picture Arts and Sciences as part of the Academy Awards every year since the 5th Academy Awards, covering the year 1931-32, to the present....

 in 1963.

Simple, abstract, geometric shapes move and morph on the screen to what sounds like harpsichord

Harpsichord

A harpsichord is a musical instrument played by means of a keyboard. It produces sound by plucking a string when a key is pressed.In the narrow sense, "harpsichord" designates only the large wing-shaped instruments in which the strings are perpendicular to the keyboard...

music. The voice of an audience member, who claims to be 71, complains throughout most the film despite being told repeatedly by other audience members to keep quiet.