Keyboard instrument with touch responsive display unit

A keyboard instrument comprising:

• an instrument main body having a keyboard;
• a string striking unit operatively coupled to the keyboard;
• a flat panel-like display unit, disposed on the instrument main body, for displaying information;
• and
• sound pick-up means operatively coupled to the display unit for picking up string striking sounds of the string striking unit;
• wherein the display unit displays information regarding the pitch of the string striking sounds picked up by the sound pick-up means;
• wherein the information displayed on the display unit includes a numerical display of the pitch difference between the sound picked-up by the sound pick-up means and a standard pitch sound for each key.

A keyboard instrument comprising:

• an instrument main body having a keyboard;
• a string striking unit operatively coupled to the keyboard;
• a flat panel-like display unit, disposed on the instrument main body, for displaying information;
• and
• sound pick-up means operatively coupled to the display unit for picking up string striking sounds of the string striking unit;
• wherein the display unit displays information regarding the pitch of the string striking sounds picked up by the sound pick-up means;
• wherein the information displayed on the display unit further comprises a graph representing the difference between the sound picked-up by the sound pick-up means and a standard pitch sound.