| 摘要 |
<p>PROBLEM TO BE SOLVED: To select three performance sound forms of a strike-string performance, a non-strike-string performance and a mute performance, and to perform the performance or a performance exercise with various volume. SOLUTION: This instrument is constituted so that a hammer shank 214 onto whose tip a hammer 215 striking a string is supported is made impossible to strike string by being stopped with a stopper 30, and the stopper 30 is provided to be moved to a non strike-string position of strike-string impossible, a strike-string position allowing normal strike-string and the mute position between the non strike-string position and the strike-string position and muting struck string strength, and these positions are made selectable with a switch.</p> |
