Yamaha HD-300 Harmony Director Instructional Keyboard Features: Streamlined, efficient, user-friendly interface Recording function for instant performance feedback Time shift recording with Sound Back setting (short/long) Rhythm style selection (9 styles) Tempo LED indicator 61-note keyboard, C–C Simplified, 32-button control panel LCD display with contrast adjustment FM and AWM Tone Generators Polyphony: FM: 8 notes; AWM: 48 notes Voices: FM: 9 (Woodwind, Brass, Organ categories); AWM: 70 (Piano/Others category) Onboard metronome Transposition: 12 semitones; Octave Shift: 4 octaves Multiple Temperaments 167 onboard Song examples HD-300 Assistant iOS mobile companion app