APFIVE Mediant Chord Function in Progressions
How does the mediant chord’s function in a I-iii-IV-I progression differ from its role in a iii6-V progression?
A
The mediant chord has the same function in both progressions, acting as a predominant chord
B
In I-iii-IV-I, it’s a secondary dominant, while in iii6-V, it’s a passing chord
C
In I-iii-IV-I, it functions as a dominant substitute, while in iii6-V, it’s a tonic prolongation
D
In I-iii-IV-I, it acts as a passing chord, while in iii6-V, it serves as a predominant function
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