APFIVE Submediant Chord Functions
How does the submediant chord’s function as a tonic expansion differ from its role in a deceptive cadence?
A
As a tonic expansion, it prolongs the tonic harmony, while in a deceptive cadence, it creates harmonic surprise by substituting for the tonic.
B
In tonic expansion, it acts as a dominant preparation, whereas in a deceptive cadence, it serves as a predominant chord.
C
As tonic expansion, it’s used exclusively in minor keys, while in deceptive cadences, it’s found only in major keys.
D
For tonic expansion, it’s always in first inversion, but in a deceptive cadence, it’s strictly in root position.
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