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Harmony Infobox
Key Signatures
Major Modes	Ionian - Lydian - Mixolydian
Minor Modes	Dorian - Aeolian - Phrygian - Locrian
Other Modes	Major Pentatonic - Minor Pentatonic - Major Blues Scale - Minor Blues Scale
A-flat - A - B-flat - B - C-flat - C - C-sharp - D-flat - D - E-flat - E - F - F-sharp - G-flat - G
Harmonic Tools
Modal Comparison Charts - Power Progressions - Cadences - Chord Finder
Harmony
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Songwriting: Harmony
v • d • e

Key of A as Triads
		Alterations	I	II	III	IV	V	VI	VII
Lydian	bright	raised 4	A	B	C#min	D#min	E	F#min	G#min
Ionian	neutral	no alterations	A	Bmin	C#min	D	E	F#min	G#min
Mixolydian	less bright	lowered 7	A	Bmin	C#dim	D	Emin	F#min	G
Dorian	dark	lowered 3, 7	Amin	Bmin	C	D	Emin	F#dim	G
Aeolian	darker	lowered 3, 6, 7	Amin	Bdim	C	Dmin	Emin	F	G
Phrygian	darkest	lowered 2, 3, 6, 7	Amin	Bb	C	Dmin	Emin	F	G
Locrian	unusable	lowered 2, 3, 5, 6, 7	Adim	Bb	Cmin	Dmin	Eb	F	Gmin

Key of A with 7ths
		Alterations	I	II	III	IV	V	VI	VII
Lydian	bright	raised 4	AMAJ7	B7	C#min7	D#min7b5	EMAJ7	F#min7	G#min7
Ionian	neutral	no alterations	AMAJ7	Bmin7	C#min7	DMAJ7	E7	F#min7	G#min7b5
Mixolydian	less bright	lowered 7	A7	Bmin7	C#min7b5	DMAJ7	Emin7	F#min7	GMAJ7
Dorian	dark	lowered 3, 7	Amin7	Bmin7	CMAJ7	D7	Emin7	F#min7b5	GMAJ7
Aeolian	darker	lowered 3, 6, 7	Amin7	Bmin7b5	CMAJ7	Dmin7	Emin7	FMAJ7	G7
Phrygian	darkest	lowered 2, 3, 6, 7	Amin7	BbMAJ7	C7	Dmin7	Emin7b5	FMAJ7	Gmin7
Locrian	unusable	lowered 2, 3, 5, 6, 7	Amin7b5	BbMAJ7	Cmin7	Dmin7	EbMAJ7	F7	Gmin7

Notes

The Ionian mode is more commonly called "the major scale" (and is the most commonly used major scale)
The Aeolian mode is commonly called "the natural minor scale" (and is the most commonly used minor scale)
Lydian, Ionian, & Mixolydian are considered major modes because their "I chord" is major.
Dorian, Aeolian, & Phrygian are considered minor modes because their "I chord" is minor.
The Locrian mode is so dissonant that it is usually unusable.

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@@ Line 10: / Line 10: @@
 | '''Ionian''' || '''''neutral''''' || no alterations || A || Bmin || C#min || D || E || F#min || G#min
 |- align="center" style="border:1px solid #000; background:#fdcb9d; vertical-align:top; color:#000;"
-| '''Mixolydian''' || '''''less bright''''' || lowered 7 || A || Bmin || C#min || D || Emin || F#min || G
+| '''Mixolydian''' || '''''less bright''''' || lowered 7 || A || Bmin || C#dim || D || Emin || F#min || G
 |- align="center" style="border:1px solid #000; background:#ceffff; vertical-align:top; color:#000;"
 | '''Dorian''' || '''''dark''''' || lowered 3, 7 || Amin || Bmin || C || D || Emin || F#dim || G
@@ Line 27: / Line 27: @@
 | || || Alterations || I || II || III || IV || V || VI || VII
 |- align="center" style="border:1px solid #000; background:#fdfe35; vertical-align:top; color:#000;"
-| '''Lydian''' || '''''bright''''' || raised 4 || AbMAJ7 || Bb7 || Cmin7 || Dmin7b5 || EbMAJ7 || Fmin7 || Gmin7
+| '''Lydian''' || '''''bright''''' || raised 4 || AMAJ7 || B7 || C#min7 || D#min7b5 || EMAJ7 || F#min7 || G#min7
 |- align="center" style="border:1px solid #000; background:#fefe9f; vertical-align:top; color:#000;"
-| '''Ionian''' || '''''neutral''''' || no alterations || AbMAJ7 || Bbmin7 || Cmin7 || DbMAJ7 || Eb7 || Fmin7 || Gmin7b5
+| '''Ionian''' || '''''neutral''''' || no alterations || AMAJ7 || Bmin7 || C#min7 || DMAJ7 || E7 || F#min7 || G#min7b5
 |- align="center" style="border:1px solid #000; background:#fdcb9d; vertical-align:top; color:#000;"
-| '''Mixolydian''' || '''''less bright''''' || lowered 7 || Ab7 || Bbmin7 || Cmin7b5 || DbMAJ7 || Ebmin7 || Fmin7 || GbMAJ7
+| '''Mixolydian''' || '''''less bright''''' || lowered 7 || A7 || Bmin7 || C#min7b5 || DMAJ7 || Emin7 || F#min7 || GMAJ7
 |- align="center" style="border:1px solid #000; background:#ceffff; vertical-align:top; color:#000;"
-| '''Dorian''' || '''''dark''''' || lowered 3, 7 || Abmin7 || Bbmin7 || CbMAJ7 || Db7 || Ebmin7 || Fmin7b5 || GbMAJ7
+| '''Dorian''' || '''''dark''''' || lowered 3, 7 || Amin7 || Bmin7 || CMAJ7 || D7 || Emin7 || F#min7b5 || GMAJ7
 |- align="center" style="border:1px solid #000; background:#9dcdfd; vertical-align:top; color:#000;"
-| '''Aeolian''' || '''''darker''''' || lowered 3, 6, 7 || Abmin7 || Bbmin7b5 || CbMAJ7 || Dbmin7 || Ebmin7 || FbMAJ7 || Gb7
+| '''Aeolian''' || '''''darker''''' || lowered 3, 6, 7 || Amin7 || Bmin7b5 || CMAJ7 || Dmin7 || Emin7 || FMAJ7 || G7
 |- align="center" style="border:1px solid #000; background:#cc9cfd; vertical-align:top; color:#000;"
-| '''Phrygian''' || '''''darkest''''' || lowered 2, 3, 6, 7 || Abmin7 || BbbMAJ7 || Cb7 || Dbmin7 || Ebmin7b5 || FbMAJ7 || Gbmin7
+| '''Phrygian''' || '''''darkest''''' || lowered 2, 3, 6, 7 || Amin7 || BbMAJ7 || C7 || Dmin7 || Emin7b5 || FMAJ7 || Gmin7
 |- align="center" style="border:1px solid #000; background:#c0c0c0; vertical-align:top; color:#000;"
-| '''Locrian''' || '''''unusable''''' || lowered 2, 3, 5, 6, 7 || Abmin7b5 || BbbMAJ7 || Cbmin7 || Dbmin7 || EbbMAJ7 || Fb7 || Gbmin7
+| '''Locrian''' || '''''unusable''''' || lowered 2, 3, 5, 6, 7 || Amin7b5 || BbMAJ7 || Cmin7 || Dmin7 || EbMAJ7 || F7 || Gmin7
 |}
@@ Line 49: / Line 49: @@
 #Dorian, Aeolian, & Phrygian are considered minor modes because their "I chord" is minor.
 #The Locrian mode is so dissonant that it is usually unusable.
-#Since most people are not used to working with double flatted chords (for example: AbbMaj7, or Ebb), I included the enharmonic equivalent.
 [[category:Music]]
 [[category:Harmony]]
 [[category:Songwriting]]