In this simple control system, the cyclic controls are transmitted from the servos to the flybar only and the main blade cyclic pitch is controlled by the flybar tilt only.
Also, if the improvisatory accompany is too high or too low, the time and power is not suitable, the music will no a tune and less the beauty of strewing and harmonious.
Noteheads may be black (a circular or oval shape filled in) or white and are used on the staff to indicate pitch. The shape of noteheads has differed historically, as in plainchant.