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Theory > Chord Scale Theory > Flashcards

Chord Scale Theory Flashcards

To understand Chord Scales, their sources and Applications.

1
Q

What determines a chords structure and corresponding “Chord Scale”

A

The function of the chord in relation to the tonal center

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2
Q

What does the Chord Scale Theory describe

A

The interrelation between chords and scales

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3
Q

What terminology is used to identify chord scales

A

Modal Terminology

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4
Q

What is the keyboard identity of “Middle C”

A

C4

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5
Q

What is the structure of a Major 7th Chord

A

A Major Triad with a Major 7th

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6
Q

What is the structure of a Minor 7th chord

A

A minor triad with a minor 7th

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7
Q

What is the main function of a chord symbol

A

To communicate, in a shorthand, the core information about a chord for a performer. It should be as simply, clear, and easy to understand as possible.

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8
Q

How are alterations or additions to chords communicated in the chord symbol

A

In parenthesis to separate them from the basic chord.

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9
Q

What are the 4 pieces of information contained in a chord symbol?

A
  1. The root of the chord
  2. The quality of the supporting triad (Major, minor, augmented, etc.)
  3. The highest degree of the structure when built in 3rds above the root. 7th, 9th, 11th, or 13th.
  4. Any alterations or addd pitches to the chord.
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10
Q

What are the components of a chord scale

A
  1. Chord tones.
  2. Available Tensions.
  3. Harmonically avoided notes (HAN)
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11
Q

Define “Tension”

A

The upper extension of the 7th chord that adds color and DOES NOT ALTER THE INTENDED SOUND.

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12
Q

Define “Harmonic Avoid Note” (HAN)

A

A note that, if used harmonically, will interfere with, or destabilize, the chord sound and is therefore AVOIDED harmonically.

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13
Q

What is an Avoid note.

A

Avoid notes are nonchord tones a which are a HALF STRP ABOVE a chord tone. They are marked as black notes.

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14
Q

What are the 2 places a HAN is actually acceptable?

A

On the Dorian chord scale and on Dominant 7th Chords.

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15
Q

What exactly is an Avoid note?

A

It is the pitch from which each chord derives its characteristic sound.

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16
Q

What is the Chord Scale for maj7 and man6 chords?

A

Ionian

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17
Q

What is the chord scale for -7 chords?

A

Dorian, Phrygian, Aeolian

18
Q

What is the chord scale for maj7 and maj6 chords?

A

Lydian

19
Q

What is the chord scale for Dominant 7 and Sominant7(sus4) chords?

A

Mixolydian

20
Q

What is the chord scale for -7(b5) chords?

A

Locrian

21
Q

What is the chord scale for dominant 7 chords

A

Lydian b7

22
Q

What is the chord scale for +7 and 7(b5) chords

A

whole-tone

23
Q

What is the chord scale for diminished chords?

A

Symmetric diminished

24
Q

What are the avoid notes for Ionian

A

11

25
Q

What are the avoid notes for Dorian

A

13

26
Q

What are the avoid notes for Phrygian

A

b9 and b13

27
Q

What are the avoid notes for Mixolydian

A

11 (Avoid 3 for sus4)

28
Q

What are the avoid notes for Aeolian

A

b13

29
Q

What are the avoid notes for Locrian

A

b9

30
Q

What are the avoid notes for Lydian

A

None

31
Q

What are the avoid notes for Lydian b7

A

None

32
Q

What are the Tonic sound chords

A

Imaj7, III-7, VI-7

33
Q

What are the Subdominant sound chords

A

II-7, IVmaj7

34
Q

What are the Dominant sound chords

A

V

35
Q

What is the characteristic pitch of the Major key?

A

The 4th scale degree

36
Q

What makes the tonic sound chords unique

A

They do not contain the unstable characteristic pitch as a chords tone

37
Q

What defines the dominant 7th chord

A

It contains the characteristic pitch as a component of the diatonic tritone.

38
Q

Why doesn’t the VII-7(b5) function as a dominant chord

A

The tritone in the VII-7(b5) does not represent the 3rd and 7th of the chord.

39
Q

List the chords of the major scale and their related chord scales

A 
Ionian - Imaj7
Dorian - II-7
Phrygian - III-7
Lydian - IVmaj7
Mixolydian - V7
Aeolian - VI-7
Locrian - VII-7(b5)
40
Q

When analyzing a chord progression what does the Arrow represent

A

resolution down a perfect 5th

Theory (4 decks)

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