Moonlight Sonata is a good example of how you can be "brain-limited" in learning a piece, rather than limited by technique and finger dexterity. Moonlight is v

Moonlight Sonata is a good example of how you can be "brain-limited" in learning a piece, rather than limited by technique and finger dexterity. Moonlight is very easy on the fingers. But the constant variations are a challenge for people with poor memorization and slow recall like myself. You hit an F# instead of G# on the third repeat of a pattern and it's all over.