Shot of a boy writing the word "music" on a blackboard in a Grade 7 music classroom at the Tecumseh Senior Public School in Scarborough, Ontario. In another classroom, various shots of boys fidgeting, one falling backwards off his chair. Shot from the rear of a class in progress, the male teacher ending and kids filing out. Shots of Canadian composer and music educator R. Murray Schafer and his class, supervising musical instructions and exercises. MCSs of boys playing accordeon and electric guitar. More shots on a music class, Miss Nugent teaching, students playing different instruments.