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wen u blow into it, the air goes through and it makes a sound. when you move your lips, the pitch changes. The rotors are attached to tubes that change the pitch. when you put down that finger, the rotor moves and opens the tube that changes the pitch. Your right hand can also change the tone and the pitch. if you put your hand farther into the bell, the pitch goes down and the tone gets more muffled. When your hand comes out more, the pitch goes up and the tone becomes less muffled

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16y ago

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