https://youtu.be/FI8VMfatm_g

 

악보구입[하모니엘] ▶ https://harmonyel.imweb.me/shop_view/?idx=135

 

파트연습 ▶ https://youtube.com/playlist?list=PLuit-_q-9iTGVdVhCvefe-dOQOEUUT73M

 

피아노 반주 mr ▶ https://youtu.be/hFw8XgObo4E

 

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