Answer the scale from the sound of a piano.
Touch the keyboard and answer the same scale as the audible piano sound.
You can compete with the players all over the world for the time required for all 5 answers.
Good luck with the aim of becoming No. 1.
You can choose the difficulty in 3 steps, please try challenging chords if you are confident.
Please also use it as a training for those who want to train the sound.
For details, please see the support URL.
Thank you!