Key Relationships: Parallel, Closely Related, and Distantly Related Keys

This AP Music Theory study guide covers key relationships (parallel, closely related, and distantly related keys) and modulation. It explains how to identify each type of key relationship and how to find closely and distantly related keys. The guide also discusses different types of modulation and their effects on musical interest. Finally, it provides practice questions, including multiple-choice and free-response examples, focusing on identifying keys and modulations.