Difficult. China Conservatory of Music Music Theory Level 3 usually covers some intermediate music theory concepts and skills, including the foundation of polyphony and harmony, musical form analysis, tonal changes, rhythm changes, etc. Learners need to master some complex theoretical concepts and memorize some rules and norms, and at the same time be able to apply them to actual musical works. Second-level polyphony and harmony are less used, so the China Conservatory of Music Music Theory Level 3 exam is more difficult than Level 2. .