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Scan 155
Musical instruments, 1925
12 lines. Read by computer on 21 September 2026. Printed page 141. See the scan on archive.org.
1in this manner, can evolve a fortissimo of terrific intensity.
3It sometimes occurs that in a passage difficult or impracticable for one player to perform, it is simplified by dividing it, so that (there being two players at each desk) one plays the upper part while the other takes the lower. Such passages are marked divisi. This method is applied not only to the Violins but to Violas, 'Cellos, and even the Double Basses.
5HARMONICS
7According to the principle elucidated in Volume I of this series—Chapter VII—a string divided into two parts yields the octave above, divided into three the twelfth above, into four parts the double octave, etc.* A similar series of tones is obtained if, instead of pressing the string down to the fingerboard, the fingers lightly touch the string at the point that divides it into 2, 3, 4, 5, and 6 parts. The difference in the result consists in the quality of tone, which is of a flute-like character; indeed, these tones are called in Germany flageolet tones, and in English they are termed harmonics, and are indicated by a zero sign (0) placed above the note that is to be thus rendered.
9A remarkable instance of the employment of these
11*See Gehrken's Fundamentals of Music, p. 163-165.
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