Arthur Plays the Blues (episode)

Summary
Arthur's piano teacher retires, telling him that he'll get along just fine with her replacement. But when Arthur meets the famous — and very strict — Dr. Fugue, he begins to doubt whether he'll be able to keep up.

Trivia
What's not fair? The guy doesn't want Arthur to play the piano, he only lets the other boy to play.

Home Video
DVD:
 * Arthur's Music Jamboree