Beethoven Center
Beethoven Thesaurus
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MT Music terms
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Chords built on the flattened submediant and containing the note an augmented sixth above (i.e. the raised subdominant): in C major, A-flat to F-sharp. The normal resolution of this interval is outwards to the octave; thus an augmented sixth chord characteristically resolves to the chord of the dominant or to a I6-4 chord (New Grove)
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