MUSI 2100 Lecture 7: Music Theory III lecture 7
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Augmented sixth chord: features of augmented sixth chord. Lowered 6, (le) in the bass and has raised 4th (fi) In an upper voice and one in another upper voices. Function on as a chromatic predominant harmony (the strongest possible pre dominant) Found in both minor and major keys, but in major you borrow lowered sixth from the parallel minor: three types of augmented sixth chords, italian augmented sixth: lowered 6th- 1- raised 4th. (le do fi) Sounds like a dominant 7th chord without 5th. Double 1 do because it is the only non tendency tone: german augmented six chords. No doubling because you already have four notes. Sounds like a complete dominant 7th sound: french augmented sixth chord. Can go to second chord or cadential five. Label fr aug 6: writing and resolving augmented sixth chords. Move the other two voices to the closet chord tones: approaching augmented sixth chords. Most often approached by other weaker predominant chords.
