| 摘要 |
A percussion instrument in which at least one drum board can be folded on a main board for easy and compact storage of the instrument. At least one arm having a free end and a proximal end is mounted at its proximal end to a part fixed relative to the main board so that the free end can be displaced in position. The drum board is mounted to the free end of the arm and changeable between an unfolded configuration suitable for a musical performance and a folded configuration suitable for storage by being configured to be unfoldable from and foldable to the main board via the arm.
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