Πρωτότυπο: Godowsky, Leopold. Progressive Exercises for Stretching and Making the Fingers Indepentent. Godowsky, Leopold. Piano solo.
Μετάφραση: For Stretching & Making the Fingers Independent. Σόλο πιάνο. Easier Exercises for the 3rd, 4th, & 5th Fingers. For 3 Fingers.