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Aug6 pres


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Aug6 pres

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