**Physical piano required.** Harmono works with both acoustic and digital pianos. No extra setup needed - just open the app, tap the start icon, and start practicing the music you care about. Harmono helps you turn each piano practice session into focused, musical work with instant, actionable feedback and interpretations inspired by masterclass teachers, so you can fix recurring mistakes and prepare confidently for your next recital. It focuses on deepening your practice with real sheet music