youtu.be/Jk3v6Ye85cs

 

악보구입[하모니엘] ▶ https://harmonyel.imweb.me/122/?idx=198

 

파트연습 ▶ https://www.youtube.com/playlist?list=PLuit-_q-9iTHtMAhvUr_EJ3ayHm3w3X2i

 

 

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