Understanding Augmented Sixth and Neapolitan Sixth Chords

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Understanding Augmented Sixth and Neapolitan Sixth Chords with tags rick beato, everything music, augmented sixth chords, neapolitan sixth chords, french sixth chord, italian sixth chord, german sixth chord, music theory

In this episode of Everything Music I explain the meaning, construction and application of Augmented Sixth and Neapolitan Sixth chords. I discuss the construction, voice leading and quick ways of identifying the Italian Sixth, French Sixth and German Sixth as well as the Neapolitan Sixth. The formulas are as follows:

Italian 6th - The only Augmented 6th chord that has 3 notes.

(b6 - 1 - #4) notes of the key you are in Ex. Key of C major the Italian Sixth would be made up of : Ab - C - F# (b6 - 1 -#4)

French 6th - Augmented 6th chord that has 4 notes.

(b6 - 1 - 2 - #4) notes of the key you are in Ex. Key of C major the French Sixth would be made up of : Ab - C - D - F# (b6 - 1 - 2 -#4) It is actually a Dom 7b5 chord if you make the A6 interval a b7 the chord would be A7b5 = Ab C D Gb

German 6th - Augmented 6th chord that has 4 notes.

(b6 - 1 - b3 - #4) notes of the key you are in Ex. Key of C major the German Sixth would be made up of : Ab - C - Eb - F# (b6 - 1 - b3 -#4) It is actually a Dom7 chord if you make the A6 interval a b7 the chord would be Ab7 = Ab C Eb Gb

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