Ref: Diatonic Keys for Triads

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Intervals Scales Circle of 5ths Fret Maps CAGED Charts Diatonic Chords Diatonic Keys Chord Fingerings Chord Naming Progressions Modes Counting Rhythm Arpeggios Reading Tab Other Notation Injury

 

This page shows which major, minor, and harmonic minor keys a particular triad is diatonic to. Find the chord that you want to know which keys it belongs to in the left-most column, then look for the x's on that row for all the keys.

Key/ Chd	A	A♯/ B♭	B	C	C♯/ D♭	D	D♯/ E♭	E	F	F♯/ G♭	G	G♯/ A♭
A	I		(VII)		VI	[V]		IV		(III)
Am	i			vi		(v)		iv	iii		ii
A+										[III+]
A°		[vii°]									ii°
Key/ Chd	A	A♯/ B♭	B	C	C♯/ D♭	D	D♯/ E♭	E	F	F♯/ G♭	G	G♯/ A♭
A♯/B♭		I		(VII)		VI	[V]		IV		(III)
A♯/B♭m		i			vi		(v)		iv	iii		ii
A♯/B♭+											[III+]
A♯/B♭°			[vii°]									ii°
Key/ Chd	A	A♯/ B♭	B	C	C♯/ D♭	D	D♯/ E♭	E	F	F♯/ G♭	G	G♯/ A♭
B			I		(VII)		VI	[V]		IV		(III)
Bm	ii		i			vi		(v)		iv	iii
B+												[III+]
B°	ii°			[vii°]
Key/ Chd	A	A♯/ B♭	B	C	C♯/ D♭	D	D♯/ E♭	E	F	F♯/ G♭	G	G♯/ A♭
C	(III)			I		(VII)		VI	[V]		IV
Cm		ii		i			vi		(v)		iv	iii
C+	[III+]
C°		ii°			[vii°]
Key/ Chd	A	A♯/ B♭	B	C	C♯/ D♭	D	D♯/ E♭	E	F	F♯/ G♭	G	G♯/ A♭
C♯/D♭		(III)			I		(VII)		VI	[V]		IV
C♯/D♭m	iii		ii		i			vi		(v)		iv
C♯/D♭+		[III+]
C♯/D♭°			ii°			[vii°]
Key/ Chd	A	A♯/ B♭	B	C	C♯/ D♭	D	D♯/ E♭	E	F	F♯/ G♭	G	G♯/ A♭
D	IV		(III)			I		(VII)		VI	[V]
Dm	iv	iii		ii		i			vi		(v)
D+			[III+]
D°				ii°			[vii°]
Key/ Chd	A	A♯/ B♭	B	C	C♯/ D♭	D	D♯/ E♭	E	F	F♯/ G♭	G	G♯/ A♭
D♯/E♭		IV		(III)			I		(VII)		VI	[V]
D♯/E♭m		iv	iii		ii		i			vi		(v)
D♯/E♭+				[III+]
D♯/E♭°					ii°			[vii°]
Key/ Chd	A	A♯/ B♭	B	C	C♯/ D♭	D	D♯/ E♭	E	F	F♯/ G♭	G	G♯/ A♭
E	[V]		IV		(III)			I		(VII)		VI
Em	(v)		iv	iii		ii		i			vi
E+					[III+]
E°						ii°			[vii°]
Key/ Chd	A	A♯/ B♭	B	C	C♯/ D♭	D	D♯/ E♭	E	F	F♯/ G♭	G	G♯/ A♭
F	VI	[V]		IV		(III)			I		(VII)
Fm		(v)		iv	iii		ii		i			vi
F+						[III+]
F°							ii°			[vii°]
Key/ Chd	A	A♯/ B♭	B	C	C♯/ D♭	D	D♯/ E♭	E	F	F♯/ G♭	G	G♯/ A♭
F♯/G♭		VI	[V]		IV		(III)			I		(VII)
F♯/G♭m	vi		(v)		iv	iii		ii		i
F♯/G♭+							[III+]
F♯/G♭°								ii°			[vii°]
Key/ Chd	A	A♯/ B♭	B	C	C♯/ D♭	D	D♯/ E♭	E	F	F♯/ G♭	G	G♯/ A♭
G	(VII)		VI	[V]		IV		(III)			I
Gm		vi		(v)		iv	iii		ii		i
G+								[III+]
G°									ii°			[vii°]
Key/ Chd	A	A♯/ B♭	B	C	C♯/ D♭	D	D♯/ E♭	E	F	F♯/ G♭	G	G♯/ A♭
G♯/A♭		(VII)		VI	[V]		IV		(III)			I
G♯/A♭m			vi		(v)		iv	iii		ii		i
G♯/A♭+									[III+]
G♯/A♭°	[vii°]									ii°

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Intervals Scales Circle of 5ths Fret Maps CAGED Charts Diatonic Chords Diatonic Keys Chord Fingerings Chord Naming Progressions Modes Counting Rhythm Arpeggios Reading Tab Other Notation Injury