Abstract

References
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Breithaupt
R. M.
School of weight touch , Vol. II . Leipzig : C. F. Kahnt, Nachfolger , 1909 .
2.
Ortmann
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. The physiological mechanics of piano technique . New York : E. P. Dutton , 1929 .
3.
MacDonald
Smith
. From brain to keyboard . Boston : Oliver Ditson , 1917 .
