The Augmented Sixth Chord

Question 1

Augmented sixth chord

Answer 1

Diatonic major sixth raises a half step to create the strongly directed interval

Question 2

The three basic components of augmented sixth chords

Answer 2

1. The bass is a half step above 5, with minor keys le being left unaltered and major keys la being lowered a half step
2. One of the upper voices—often the soprano—is a half step below 5, on 4#
3. Another upper voice has the tonic, 1

Question 3

Italian augmented sixth chord

Answer 3

Final upper voice doubles 1

Question 4

French augmented sixth chord

Answer 4

Final upper voice is 2

Question 5

German augmented sixth chord

Answer 5

Includes 3 in minor keys and flat3 in major keys

Question 6

Elided resolution

Answer 6

4 does not resolve literally to 5 but moves directly to #4

Question 7

Chromatic voice exchange

Answer 7

When voice exchange between augmented sixth chords and diatonic pre-dominants does not lead to exact voice exchange

Question 8

German diminished third chord

Answer 8

4 appears in the bass and flat6 appears in the upper voice