Can be quickly confirmed when needed, it is piano chords table app.
By touching the keyboard part, you can also check the actual sound.
Please use means for playing and composers.
Add instrument sound.
Improve sound quality by re-recording the sound of instruments.
Fixed a bug that sound was not output by the terminal.
9Apps 4.9
![국세청 홈택스 [손택스] on 9Apps](https://go.getnew.app/sg/res/jpg/f7/df/69cc2f90120ec331db2630e0f5b6-6dh.jpg?x-oss-process=style/jmq200)
