https://jianpu.info/course/notation/drumintro?fbclid=IwAR3b_SqGEL-Xm3zSC1iLAFq9m1V-2txu3miIFUyW1WnZXnsbsM3Lss4IwPs
會發出聲音喔
發現一個可以給小孩子玩的打鼓小遊戲
https://jianpu.info/course/notation/drumintro?fbclid=IwAR3b_SqGEL-Xm3zSC1iLAFq9m1V-2txu3miIFUyW1WnZXnsbsM3Lss4IwPs
會發出聲音喔
https://jianpu.info/course/notation/drumintro?fbclid=IwAR3b_SqGEL-Xm3zSC1iLAFq9m1V-2txu3miIFUyW1WnZXnsbsM3Lss4IwPs
會發出聲音喔
