Vibrator and musical instrument

A vibrator for use in a musical instrument, the vibrator comprising:

• a movable portion connected to a vibratable member;
• a driver configured to drive the movable portion to cause vibration of the movable portion to vibrate the vibratable member;
• a shaft supporter secured to a support member;
• and
• a shaft connected to the shaft supporter and the driver such that a direction in which an axis of the shaft extends coincides with a direction intersecting a movable direction of the movable portion, the shaft being pivotable with respect to at least one of the shaft supporter and the driver.

A musical instrument, comprising:

• a vibrator comprising (i) a movable portion connected to a vibratable member, (ii) a driver configured to drive the movable portion to cause vibration of the movable portion to vibrate the vibratable member, and (iii) a driver supporter secured to a support member and configured to support the driver such that the driver is pivotable about an axis extending in a direction intersecting a movable direction of the movable portion;
• a sound board as the vibratable member to which the movable portion is connected;
• and
• the support member to which the driver supporter is secured.