PITCH: HIGH OR LOW SOUNDS?.

Exercise 1: https://drive.google.com/file/d/1f2ehTHZQqjDsrO93NS0p1ZRs8V5_pelo/view?usp=sharing

Exercise 2: https://drive.google.com/file/d/1GRKZLI0XchTBAyQPk3K5MTM4wuj2ZQG7/view?usp=sharing

Exercise 3: https://drive.google.com/file/d/1gjj0fMwgep8vveRZKmV1Thm6VRl5owp9/view?usp=sharing

Exercise 4: https://drive.google.com/file/d/1fcLuitb3fmz98DlqDtpiOk0fxpXPo7bF/view?usp=sharing

Exercise 5: https://drive.google.com/file/d/16PIso_j8I2nZmjo1G9cEK_R6J0tcdMop/view?usp=sharing

Exercise 6: https://drive.google.com/file/d/1I99dSTQntow4J3s24Mkq6TjSCd9DstEx/view?usp=sharing

Exercise 7: https://drive.google.com/file/d/1Z0gV_xCCxGJHEdVBaRtH45ZafMbUvOYq/view?usp=sharing

Exercise 8: https://drive.google.com/file/d/1eEqmVP0aXGRqZUKbBJA9W-3wDXYjLAA3/view?usp=sharing

Exercise 9: https://drive.google.com/file/d/10YKmengonTQAxEm48TN_kAhU3wkV_np4/view?usp=sharing

Exercise 10: https://drive.google.com/file/d/1OhEGr8A0aAbjZpbb7RS7wQv5IyFbRut7/view?usp=sharing

Exercise 11: https://drive.google.com/file/d/1rEiA9itIVtlWaKv7BrgY8KYaqyo2i2S0/view?usp=sharing

Exercise 12: https://drive.google.com/file/d/1Tf1rhpsFfEPjEBMeI1oQUNcvIaVaxGwR/view?usp=sharing

Exercise 13: https://drive.google.com/file/d/1ZSU3J3kkqJg5YDSyOenJSSJvO8HBZRmq/view?usp=sharing

What instrument is missing?

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