yamaha

https://yamaha5kids.com/%E3%83%A4%E3%83%9E%E3%83%8F%E3%81%AB%E9%80%9A%E3%81%86%E3%81%A8%E5%87%BA%E6%9D%A5%E3%82%8B%E3%82%88%E3%81%86%E3%81%AB%E3%81%AA%E3%82%8B%E3%82%B3%E3%83%88%E3%81%AE%E3%81%BE%E3%81%A8%E3%82%81/

 

https://pianochord.info/

 

https://sakkyoku.info/theory/slash-chord/

https://sakkyoku.info/theory/slash-chord/#1

https://www.mie238f.com/entry/2018/01/13/010639

 

 

guitar

https://muuu.jp/onchord/onchord-f/

posted @ 2022-01-24 13:28  multitude  阅读(30)  评论(0)  编辑  收藏  举报