He'll tailor your course of study to your needs. If you don't play an instrument, don't worry. Choose the default setting. Learn Mode presents the musical material covered in the corresponding grade of the game. Your primary clef depends on the Instrument Configuration you choose.
Possible choices are treble, bass, alto, and tenor clefs.
In Read Notes, Dolphin Don shows you a note and you click on its name. Grade one starts with just three different notes. The highest grade covers three full chromatic octaves. Otherwise, your secondary clef is treble. In Read Notes, Dolphin Don shows you a note and you click on its name.