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Music Phase. Methods of motive development.Table of Contents Previous Next
Term Phrase can be defined as follows.
You can develop Motive by two ways:
Let’s take a detailed look at this method. Repeating can be exact, sequenced or varied.
See below Example of the exact repeating. Motive 'a1' is the exact copy of Motive 'a', but another chord is picked for Motive 'a1'.
Sequenced repeating is transposition of Motive notes by several scale degrees up or down. See below (Figure 2) example of sequenced repeating of motive 'a'. Motive 'a1' is made by transposition Motive 'a' notes by one scale degree down.
Motive 'a1' is the variation of the motive 'a' (See Figure 3). You can vary a Motive by different ways — to exchange notes places, divide notes with big duration into several notes with shorter duration and vise versa.
Motive 'comparison' with the new Motive.
New motive can be derived from or contrast to the source Motive.
There are several methods of creation derived motives:
Contrast Motive is a completely new Motive, unlike the source Motive. Rhythm can be contrast, for instance you can change notes durations from long to short. Or you can change intonation pattern from smooth to gaps. See Figure 8 as an example (Motive 'b' is contrast to Motive 'a').
Additionally to develop Motive you can apply several methods at once. For example Motive 'a1' is developed from Motive 'a' by sequencing and changing rhythm pattern of the source Motive (Figure 9).
A Phrase usually consists of two or three Motives.
As it was described above a Phrase is defined aurally as something whole. There are some advices to acquire it. Phrase motives will sound as an organic whole when Motive notes form a unique melodic wave. See below Figure 10. The Phrase formed by comparing a Motive with the new one (a contrast as usual) sounds more wholly than a Phrase formed by repeating a Motive.
As it was mentioned above caesura separates the Phrases. Here we can make a comparison with the human speech. In order to stress the meaning of what was said we point out a phrase or a sentence end with the pauses. The same is with the 'musical speech'. For a listener to be able to define the single music phrases or sentences, they have to be separated by caesura. Phrases can be separated by different ways and on different levels. Specifically:
All methods above used together or separately make caesura that separates phrases.
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