教學(xué)視頻

https://www.youtube.com/watch?v=Zc-EcRFrxcA

口琴結(jié)構(gòu)

https://www.themusicstand.ca/blogs/htp-harmonica/parts?srsltid=AfmBOor2lLmftg9KxLvFzc1WLxTf1ugep9qoor5EhGAcaWMPbSznJVzm

https://en.wikipedia.org/wiki/Harmonica