Multiple MatchingOefening 4 van 70

The fugue is less a form than a rigorous procedure, and the most cerebral in all music. It begins with a single melodic idea, the subject, announced alone; then a second voice enters with the same idea while the first spins a counter-melody above it, and a third and fourth follow in turn, until several independent…

• Which form weaves a single theme through overlapping voices that imitate one another?
• Which form sets a lone player in opposition to the full ensemble?