It is an application that forges the musical sensitivity because of a piano sound.
The musical sensitivity can be gradually forged by training every day (It is sure to be able to do).
There are two "Training" and "Examination" in the mode, and no do be known effective when the examination is executed after training every day.

●Training mode
In the training mode, the musical sensitivity is single-mindedly forged by selecting the level of the favor from four levels of the following, and answering the music scale of the sound reproduced at random.

【Beginner class】Single sound
【Middle class】Harmony
【Higher class】Single sound(include semitone)
【Superlative】Harmony(include m,7,m7 code)

●Examination mode
Ten questions in total are set in the mode that can be played only once a day, and it is classified into five classes by the result.
Because the examination history remains in the list of a top screen, the weak point can be checked at any time.
Permissions