I can easily do a 10th on the keyboard..I have enormous hands. I play everything very quickly when left to my own devices. Knowing that I like to pound rather than play, go swiftly and not very accurately, I've asked my teacher for pieces which develop a finer touch and require more accuracy. Consequently, we are working on a Mozart sonata.Any tips on achieving that wonderful light "Mozartean" touch, particularly in the left hand?
Also remember your wrist, especially when playing legato. For the right hand the "rule" is: when you go upward on the keyboard, your wrist describes a "happy smiley". Which means that your wrist should be in the highest position, same level as your knuckle or even a bit higher, at the "turning point" when you are about to go down again. And from there, you draw a sad smiley.
OK, for you then. Your wrist describes the lower half of an ellipse. Or the mouth of this smiley:
Still don't get it...in what way? Oh, now I think I get it. You are talking about the curve of the movement... I found it a very complicated way to explain a simple thing