Stopper rail for silent piano

A stopper rail for a silent piano that can be played while switching between a normal performance mode in which a hammer being pivotally moved in accordance with depression of a key is allowed to strike a string and a silent performance mode in which the hammer is blocked from striking the string, the stopper rail having a hammer shank of the hammer being pivotally moved brought into contact therewith to block further pivotal movement of the hammer, in the silent performance mode,

• the stopper rail comprising:
• a rail body that extends in a direction of side-by-side arrangement of a plurality of the hammers of the silent piano and has a predetermined flexural rigidity allowing vibration;
• a first cushion which is provided on a first surface of of the rail body on a side toward the hammer shank and with which the hammer shank is brought into contact;
• and
• a vibration suppressing portion which is provided on a second surface of the rail body opposite to the first surface so as to apply a load to the rail body, for suppressing vibration of the rail body when the hammer shank is brought into contact with the rail body.