Chord Theory


Select a key, see diatonic chords and common non-diatonic substitutions. - |


Selected key: {{ allKeys[keyIndex] }}

*Major Key* I II III IV V VI VII
Diatonic Chords (*) {{chord}}
Parallel Minor (*) {{chord}}
Tritone Substitutions (*) {{chord}}
V of II (VI7) V of III (VII7) V of IV (I7) V of V (II7) V of VI (III7)
Secondary Dominants (*) {{chord}}
Augmented Sixth (*) {{augSixth()}}
Neapolitan Sixth (*) {{neapolitanSixth()}}
*Minor Keys* I II III IV V VI VII
Natural Minor (*) {{chord}}
Harmonic Minor (*) {{chord}}
Melodic Minor (*) {{chord}}
Modal Substitutions (*) I II III IV V VI VII
Ionian {{chord}}
Dorian {{chord}}
Phrygian {{chord}}
Lydian {{chord}}
Mixolydian {{chord}}
Aeolian {{chord}}
Locrian {{chord}}

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