Patent ID: 9646582
Date: 2017-05-09
CPC Classifications: G10D

Claim:
1. A percussion instrument comprising: a) an enclosed body comprising a cuboid and forming a cavity, the body enclosed on all sides by a rigid top wall panel that is planar from edge to edge, a rigid bottom wall panel that is planar from edge to edge, and a continuous side wall of panels having a first end and a second end, wherein each side wall panel is permanently joined together, wherein the top wall panel is releasably joined to the first end of the side wall panels via one or more fasteners, and the bottom wall panel is releasably joined to the second end of the side wall panels via one or more fasteners for sandwiching the side wall panels between the top and bottom wall panels, wherein the width of the body is between about 25 and 600 mm, wherein the length of the body is between about 25 and 3,000 mm, wherein the height of the body is between about 3 and 150 mm, and wherein the one or more walls are between about 1 and about 25 mm in thickness; b) a matrix comprising two or more compartments, wherein the matrix is integral to the enclosed body, and is wherein the compartments are between about 3 and 300 mm in length, between about 3 and 300 mm in width, and between 3 and 150 mm in height; and c) one or more solid masses, wherein the one or more solid masses are inserted and confined within at least one of the two or more compartments, and where the one or more solid masses are between about 1 and 100 mm in diameter.