There's a lot that goes into mastering the piano that is dependent on development and maturation of the brain, nervous and muscular systems.
Reading, memory and basic manual dexterity are just a start. She is off to a magnificent start, but she cannot emulate Van Cliburn or Daniil Trifanov or Yuja Wang at this point any more than she could competently participate in the Daytona 500.
Mastering the dynamics of music takes lots of coaching, challenge, understanding, study, discipline, practice and physical/mental maturation ... not just "mostly listening" as you once retorted at me.
Stick to what you know.
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