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Chord Function Table

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CHORD FUNCTION TABLE
Find  Chord Type (M, m ,+, 7 , etc), and Scale Degree (1, #1, 2, etc...) of its Root To Determine Function
Chord Type ®
Scale Degree¯
M   m    + dim
Triad
M7=(MM7) 7 =(Mm7) Fr7  (Fr6) m7 =(mm7) +M7 +m7 ø7=(dm7) °7=(dd7)
  1 I      i          I7 V7/IV   i7        
#1       vii°/ii               vii°7/ii
b2 N       N7 Gr6/I
  It6/I
           
  2 V/V ii   ii°   V7/V Fr7 (Fr6) ii7     iiø7  
#2       vii°/iii               vii°7/iii
b3   III
bIII
      III+
   bIII+ 
   III7
bIII7
V7/VI       III7+5
bIII7+5
     
  3 V/vi iii   vii°/IV   V7/vi   iii7     viiø7/IV vii°7/IV
  4 IV iv     IV7 IV7   iv7     __  
#4       vii°/V             viiø7/V vii°7/V
  5 V v V+ vii°/VI   V7 Fr7/I
Fr6/I
v7   V7+5 viiø7/VI vii°7/VI
#5       vii°/vi               vii°7/vi
b6  VI
bVI
        VI7
bVI7
Gr6, It6
V7/N
        __  
  6 V/ii vi   vi°   V7/ii   vi7     viø7 vii°7/VII
b7  VII
bVII
V/III
          VII7
bVII7
V7/III
           
  7     __       vii°   V7/iii         viiø7 vii°7
Top RED Row and RED Column are your guide for Chord Type and Root Scale Degree
Blue cells = Diatonic Functions in Major Keys only.
Yellow cells = Diatonic Functions in Minor Keys only (natural, harmonic or melodic).
Flats appear in major keys only. These chords are diatonic in minor keys, but are chromatic in major keys.
Green cells = Diatonic Functions in either Major or Minor Keys (blue paint + yellow paint = green paint).
==>Major Keys include Diatonic Functions in Blue and Green.  Minor Keys include Diatonic Functions in Yellow and Green.
Purple cells = Chromatic Functions in Major Keys only. All chromatic functions are dependent upon the chord resolving logically.
Orange cells = Chromatic Functions in Minor Keys only. All chromatic functions are dependent upon the chord resolving logically.
Gray cells = Chromatic Functions in Major or Minor keys. All chromatic functions are dependent upon the chord resolving logically.
==>Major Keys include Chromatic Functions in Purple and Gray. Minor Keys include Chromatic Functions in Orange and Gray.
Empty cells = no logical functions for particular chord types on those scale degrees.
Abbreviations
Fr = French, It = Italian, Gr = German, N = Neopolitan
M = Major triad______________________________ m = minor triad______________________________________
+ = Augmented triad dim = diminished triad
MM7 = Maj-Maj 7th chord Mm7 = Major-minor 7th chord
mm7 = minor-minor 7th chord +M7 = Augmented-Major 7th chord
+m7 = Augmented-minor 7th chord dm7 = diminished-minor seventh chord (half-diminished or ø7)
dd7 = dim-dim seventh chord (fully-dim or °7) Fr7 = Major-minor 7th chord with b5th in second inversion = Fr6)
Examples Using C Chords
Cmaj7 = C_E_G_B = MM7 chord where M = C_E_G Major triad + the M7 interval = C_B
C7 = C_E_G_Bb = Mm7 chord where M = C_E_G Major triad + the m7 interval = C_Bb
Cm7 = C_Eb_G_Bb = mm7 chord where m = C_Eb_G minor triad + the m7 interval = C_Bb
Cø7 = Cø = Cm7b5 = C_Eb_Gb_Bb = dm7 chord where d = C_Eb_Gb dim triad + the m7 interval = C_Bb
7= C dim7 = C_Eb_Gb_A = dd7 chord where d = C_Eb_Gb dim triad + the d7 interval = C_Bbb = C_A