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V-vi-vii-I
Doubling and Voice-leading Lines
In this class, we will see theV-vi-vii-Ichord pattern,
with three progressions by ascending second,
assembling the individual progressions of thedeceptive triad page.
Voice-leading and doubling will depend on the nature of the triad -
on a Real Triad, the Third has an obliged resolution,
and the Root is doubled,
on a deceptive triad, the root and fifth have obliged resolutions,
caving in toward each other,
and the third is doubled,
There are two versions of thevii-Icadencing progression,
and they will be seen individually.
First version
NOTE that VLL 1 and VLL 2 cross
and should not be disposed in adjacent performance voices,
but rather, in this case, in the soprano and tenor voices,
which imposes the disposition of VLL 3 in the alto voice.
NOTE that disposing VLL 1 in the soprano voice will produce a direct fifth.
Second version
NOTE the different Voice-leading in thevii-Icadencing progression,
which affects VLL 1 and VLL 3.
NOTE in VLL 3 that the DG as a downward fifth rather than an upward fourth
removes all danger of a direct fifth.
Melody
More new VLL possibilities here
with the choice of third (doubled) in the deceptive triad.
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Exercises
Exercise 1
With theV-vi-vii-Ichord pattern twice both asaand asc,
and with line 4 in the bass voice (GABC GABC),
any combination of the two preceding versions may be used.
In the soprano voice,
a VLL which does not end on the note C
will be placed in the antecedent,(a),
and a VLL which ends on the note C
will be placed in the consequent (c), for a stronger cadence.
In the alto and tenor voices, the remaining VLLs will be placed,
in either open or close position.
Transposition to a more appropriate key may be required for vocal performance.
Exercise 2
With theV-vi-vii-Ichord pattern asaand theI-IV-V-Ichord pattern asc,
and with line 4 in the bass voice (GABC CFGC),
theais harmonically stronger than thec.
In the soprano voice,
any VLL may be placed in the antecedent,
and any VLL may be placed in the consequent.
In the alto and tenor voices, the remaining VLLs will be placed,
in either open or close position.
Transposition to a more appropriate key may be required for vocal performance.
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On toClass 7
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