Charles-Louis Hanon
"Exercise Four (Special exercise for the 3rd, 4th and 5th fingers of the hand)"
Overview
(3-4-5) (1) Special exercise for the 3rd, 4th and 5th fingers of the hand.（Source）
(3-4-5) (1) Special exercise for the 3rd, 4th and 5th fingers of the hand.（Source）
