From the box Enter a remarkable new world of musical entertainment and learning with Melody Master -- a unique approach to music composition and education. Create your own melodies using the Light Pen on the screen's 4 octave keyboard. See your notes travel across the staff in precise musical timing. Two part harmony in piano and flute sounds, in soft or loud tones. Add the rhythm section with snare drum and cymbal for unlimited musical creativity. NOTE: Requires Vectrex Light Pen add-on.