The Yamaha HD-300 Harmony Director Music Education Keyboard is a powerful ear training keyboard tool that more effectively teaches intonation and rhythmic training to music students.
The Harmony Director HD-300 is a complete music dictation package that combines powerful ear training in a new simplified user interface. It can increase students' success and make the music educator's job more productive. Additionally, the mobile app can be used as a stand-alone tuner as well as a hardware controller.