Shifting
between Major & Minor
Fluid
Shifts Between Major and Minor
One of the characteristic features of tonality is that
both the tonic note and the mode can change within a composition.
For example, a piece that begins in A minor may end in B
major. Sometimes this happens in a very stable and decisive
way, so that we have a clear sense that the key has changed.
At other times, however, this change may be weak and temporary.
Key
1 ----> (Key 2) ----> Key 1
Although the music sounds as if it has a new tonic or a
new mode, we can tell that this is a brief excursion. We
know that the old tonic and mode will soon return and that
what we are hearing should be understood as a colorful shading,
not a full-blown change.
Sometimes these shifts occur fairly suddenly, as in the
following example taken from Purcell's Dido and Aeneas.
In major overall, it shifts to minor for a few phrases and
then returns to major. The video will show the shifts back
and forth between major and minor.
Video
Example 1: "Come away"
In the next example, from Schubert's Impromptu in G-flat
major, there are several shifts back and forth between major
and minor. The first few are very weak; some people might
argue that minor never really gets established at all.
Major ----> (Minor) ----> Major
The final shift into minor is much more decisive and abrupt.
Major ----> Minor --///--> Major
The music is clearly in minor for a few phrases. But when
it shifts back to major it is with a marvelous subletly
and fluidity. Though the fade out on the video fails to
do it justice, it is an apt illustration.
Video
Example 2:
Schubert Impromptu in G-flat, opening
As a final training opportunity for the listener with a
good grasp of major and minor, the next learning enviroment
will allow you to practice deciding which mode prevails
in examples that have at least one shift between major and
minor.
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