Suppose that you want to play the (LH) "do-so-mi-so" quadruplet (“Alberti accompaniment”) many times in succession, very fast (as in the 3rd movement of Beethoven's Moonlight Sonata) ...
Suppose that you want to play the (LH) "do-so-mi-so" quadruplet (“Alberti accompaniment”) many times in succession, very fast (as in the 3rd movement of Beethoven's Moonlight Sonata) ...