The beginnings and development of a New Zealand music: The life ...

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Ex.15: Symphony No.1 movement I, brass (and horns) bars 71-8.
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This passage is a simple piece of writing, being in essence a straightforward
sequence of modulatory chords. The two cycles initially show a
movement from discord to concord. Once the concord is established, the
music then modulates through use of a major triad a major third higher
than the triad of the concord.
The impact of this passage is especially powerful, as nothing
similar has been heard up to this point in the movement. It provides
a sudden switch from string and woodwind dominance of the texture to
complete brass dominance. The contrasted voicing of the brass within
the passage also assists in strengthening the impact. The E-flat triad
of bar 72, for example, is widely spaced. Following this, the horn G
maJor triad of bar 73 is closely voiced, bringing an abrupt change of
texture to the passage. Such a change is also used at the end of the
second cycle of the sequence, where a widely spaced F major chord is
quickly followed by a closely voiced A major chord.
Prior to this in the score, there is an excellent example of the
use of brass to highlight an important melodic statement (bars 60-2).
This is the last appearance of theme I close to its original guise in
the exposition section.