Please suggest some method of playing octaves rapidly to one who finds this the most difficult part of piano-playing. Would be grateful also for naming some octave études that could be used in the repertoire.
If rapid octaves seem to be "the most difficult part of piano-playing" to you, take it as an indication that they do not suit your nature. A "method" will never change your nature. This need not discourage you, however; it is only to prevent you from trying to make a specialty of something for which you are not especially qualified and to save you a needless disappointment. Hold arms and hands in but a slight tension, and at the slightest fatigue change the position of the hand from high to low and vice versa. Your seat at the piano should not be too low. Study the first book of Kullak's Octave School, and, later on, the second book.
When Playing Octaves
When should I use the arm to play octaves as I have seen some concert players do? As I was watching them there did not seem to be the slightest motion from the wrist.
Most concert players play their octaves more from the arm than from the wrist, but their wrist is nevertheless not so inactive as it seems to have appeared to you. They have probably distributed the work over the wrist, the elbow, and the shoulder in such a way that each had to do only a part of it. Light octaves can come only from the wrist, while heavier ones put the elbow and shoulder into action. To make this distribution consciously is hardly possible. A striving for economy of force and the least possible fatigue will produce this "division of labour" unconsciously.
Wrist Stroke in Long Octave Passages
When playing extended octave passages, such as the Liszt arrangement of "The Erlking," should the endeavour be to play all from the pure wrist stroke; or is it well to relieve the strain by an occasional impulse (a sort of vibration) from the forearm? Is there any advantage in varying the height of the wrist?
In extended octave playing it is well to vary the position of the wrist, now high and then low. The low position brings the forearm into action, while the whole arm coöperates when the wrist is held high. From the wrist alone such pieces as "The Erlking" cannot be played, because the wrist alone gives us neither the power nor the speed that such pieces require. Besides, the octaves, when all played from the wrist, would sound "cottony." The wrist alone is to be used only in light, graceful places.
Stiff Wrists in Playing Octaves
In playing octaves or other double notes my wrist seems to stiffen. How can I remedy this?