ピアノのコードと音階を学ぶ

2020年01月13日

Awesome new feature for 2020! 🎉
You can now create your own chords, so you can learn how to play them in different musical keys. The chords can cover two octaves.
You can now change the time settings and increase the time you have to answer each question.
You can stop the timer from automatically speeding up.