Musical instrument system

A musical instrument system comprising:

• a sound element medium including a printing surface having a plurality of sound-element information areas each having sound element information on a sound element;
• a reader configured to optically read the sound element information;
• a generator configured to generate musical sound information based on the read sound element information;
• and
• an audio unit configured to produce a sound based on the generated musical sound information,
• each of the sound-element information areas having a display corresponding to the sound element information,
• the sound element information relating to both or one of pitch and tone and being printed in the sound-element information areas in a manner to be optically readable by the reader,
• the plurality of sound-element information areas include at least one pitch information area having information on the pitch, and a tone information area having information on the tone,
• the at least one pitch information area includes a plurality of pitch information areas,
• the plurality of pitch information areas is disposed in rows in the order of the pitches of a musical piece played by the performers, and
• the reader reads the plurality of pitch information areas in an order of the rows.