" " " 125—Undulating rhythm in the strings as harmonic basis (cf. [Ex. 271]).

In a forte or sfp chord, where one or two of the upper notes is held, either sustained or tremolando, the balance of tone must still be maintained, as in the following example:

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Wood-wind harmony.

Before entering upon this section of the work I would remind the reader of the general principles laid down in the beginning of the chapter.

Harmonic texture, composed of plain chords or ornamental designs, simple or contrapuntal in character, must possess a resonance equally distributed throughout. This may be obtained by the following means:

1. Instruments forming chords must be used continuously in the same way during a given passage, that is to say they must be doubled or not throughout, except when one of the harmonic parts is to be made prominent:

To be avoided:
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2. The normal order of register must be followed, except in the case of crossing or enclosure of parts, which will be discussed later on: