Symbolic Drummer

If you start the program, you will see a black square appears on the screen. Same as Marimba program, you can click anywhere inside the square with left mouse button. The vertical position of a sign means timing same as Marimba, but the horizontal position of a sign means various percussions. You will be able to improvise a rhythm pattern visually. If you want to erase a sign, click its position again. If you want to clear all signs, there is a "clear" button at the right bottom corner of the square.

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