(2) Left hand leaps. Say you're aiming for a low note with your little finger and you need to look down from the music, but you're in a hurry. Look at your left thumb rather than the little finger. You can then work out where the little finger is. It saves time.
(3) Leger lines. To memorise the upper leger lines, practice playing the chord A-C-E-G-B where the 'leger notes' are. Or just A-C-E-G if you prefer. I have found it helpful (although that might just be the way my mind works.)
Please add your own random tips! Or tell me why mine are silly
-- undividedself
