21: Augmented Sixth Chords
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- 21.2: Types of Augmented Sixth Chords
- There are three general types of augmented sixth chords—the Italian augmented sixth chord (“ItIt+6”), the French augmented sixth chord (“FrFr+6”), and the German augmented sixth chord (“GerGer+6”). These geographic labels have persisted throughout the years despite the fact that no reasoning has been found for these designations.