Mouth organ (Fr.: harmonica à bouche; Ger.: Mundharmonika; It.: armonica a bocca), the modern Western mouth organ is a small *free-reed instr. consisting of a grooved rectangular metal box on which free reeds are mounted, played by moving it back and forth in front of the player's mouth while breathing into it. The grooves lead from the reeds to apertures along one of the long sides. The player breathes into these, the wind supplied being either pressure or suction, depending on whether he…