Flat-type Cajon

The present invention can be separated efficiently and bass and treble, also, when you play put on the seat or sitting on the knee on a chair, to provide an easy flat Cajon playing. An instrument body 5 inside is formed in a shallow cavity shaped consists of a side plate forming the upper plate 2 and the bottom plate 3 serving as Damen front and rear left and right side surfaces is provided, hitting the musical instrument main body 5 a percussion instrument playing by tapping the surface by hand, formed by dividing a striking surface 2 to at least two regions. A first shot surface 2a of the rear side comprising a striking surface and bass part, 2 is divided into a second shot face 2b of the front side of the treble and the touch portion, treble the left and right end portions of the second shot surface ungated to secure the partition plate 10 separating the treble and touch sound central portion touch part and without, on the back side of the second shot surface. .FIELD 1