Aug6 pres
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Aug6 pres

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Aug6 pres Aug6 pres Presentation Transcript

  • Augmented Sixth Chords Musical zing with a European flavor
  • The Basics
    • Aug 6 chords all feature the interval of an augmented sixth
    • They all also have a major third above the bass (most likely a diatonic third)
    • The French and the German augmented sixth also add a fourth pitch
    • These chords function as pre-dominants
  • The Augmented Sixth
    • The lowest pitch will be a half step above scale degree 5 of your key
    • The upper pitch will be a half step above scale degree 5 of your key
    • Keep in mind, in transitory sections, you may be in a key other than that implied by the key signature.
  • Writing the Aug 6th
  • Try it out Write an augmented sixth in D major
  •  
  • “National” Varieties
    • All chords
    • Italian
    • French
    • German
    • Augmented sixth, third above the bass
    • Double the third above the bass
    • Add a 4th above the bass (scale degree 2)
    • Add a Perfect 5th above the bass
  •  
  •  
  • Try It Out Write an Italian Chord in F Major and a French chord in A-flat Major
  •  
  • Important Resolutions
    • Aug 6th
    • Italian
    • French
    • German
    • One goes up and other goes down to scale degree 5
    • One of the thirds above the bass ascends and the other descends.
    • 4th above bass ties to V chord. The 3rd descends.
    • Must resolve with a 6/4 -> 5/3 suspension or a 6 -> 5 suspension (to avoid parallel 5ths)
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  •  
  • Your Turn Write and resolve a German chord in g minor.
  •  
  • Congratulations!! You’re now a Theory Dragon