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augmented sixth

American  

noun

Music.
  1. an interval greater than a major sixth by a chromatic half step.

  2. any of various chords having this as the characteristic interval.


Example Sentences

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Though the augmented sixth was then and remained unusual, Johann Christoph's is not the earliest use of it.

From Johann Sebastian Bach by Forkel, Johann Nikolaus

C—A. An augmented sixth has five major seconds.

From Music Notation and Terminology by Gehrkens, Karl Wilson

The modulation into the key of the death-motive, A flat, is effected through the chord of the augmented sixth.

From Wagner's "Tristan und Isolde"; an essay on the Wagnerian drama by Hight, George Ainslie