Acoustics & Sound For Musicians - Online Book

The Theory Of Sound Which Constitutes The Physical Basis Of The Art Of Music.

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194                       CONSONANT TRIADS.,           [IX. §101.
They give us two groups of three triads each, which may be arranged thus:—
101. Instead of defining our six consonant triads, as is here done, by the intervals formed by their middle and top notes with the bottom note, we may define them by the intervals separating the middle from the bottom note, and the top from the middle note. In order to make this change we have, in each case, a process of subtraction of intervals
Proceeding in this way, we find that the top and middle notes are separated by the following in­tervals:
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