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The augmented sixth interval is typically between the sixth degree of the minor scale, ♭, and the raised fourth degree, ♯.With standard voice leading, the chord is followed directly or indirectly by some form of the dominant chord, in which both ♭ and ♯ have resolved to the fifth scale degree, .
[1] [3] Irregular resolutions also include V 7 becoming an augmented sixth [specifically a German sixth] through enharmonic equivalence [1] or in other words (and the adjacent image) resolving to the I chord in the key the augmented sixth chord (FACD ♯) would be in (A) rather than the key the dominant seventh (FACE ♭) would be in (B ♭).
Augmented sixth Play ⓘ.. In music, an augmented sixth (Play ⓘ) is an interval produced by widening a major sixth by a chromatic semitone. [1] [4] For instance, the interval from C to A is a major sixth, nine semitones wide, and both the intervals from C ♭ to A, and from C to A ♯ are augmented sixths, spanning ten semitones.
The augmented sixth chord can either be the Italian sixth It +6, which is enharmonically equivalent to a dominant seventh chord without the fifth; the German sixth Gr +6, which is enharmonically equivalent to a dominant seventh chord with the fifth; or the French sixth Fr +6, which is enharmonically equivalent to the Lydian dominant without the ...
The Italian augmented 6th chord (It+6) is one example, from which proceed the French augmented 6th chord (Fr+6) and German augmented 6th chord (Gr+6) by addition of one note. Rawlins (2005) asserts that the notion derives from practice of such composers as Eric Satie , Claude Debussy , Maurice Ravel , and Gabriel Fauré , and was first used in ...
the chord quality (e.g. minor or lowercase m, or the symbols o or + for diminished and augmented chords, respectively; chord quality is usually omitted for major chords) whether the chord is a triad , seventh chord , or an extended chord (e.g. Δ 7 )
I take it that the B in the French augmented sixth chord goes to G# in the following E major triad rather than to another B so that the A in the tenor voice of the French augmented sixth chord can go to B so as to avoid a diminished fourth (G# to C) as the tenor voice moves from this E major triad to the following German augmented sixth chord.
The term sixth chord refers to two different kinds of chord, the first in classical music and the second in modern popular music. [1] [2]The original meaning of the term is a chord in first inversion, in other words with its third in the bass and its root a sixth above it.