키	메이저 스케일							주요3화음	병행조
	1st major	3rd minor	5th minor	12th major	2nd dom	4th minor	6th minor
C	C	D	E	F	G	A	B	C-F-G	Am
G	G	A	B	C	D	E	F#	G-C-D	Em
D	D	E	F#	G	A	B	C#	D-G-A	Bm
A	A	B	C#	D	E	F#	G#	A-D-E	F#m
E	E	F#	G#	A	B	C#	D#	E-A-B	C#m
B	B	C#	D#	E	F#	G#	A#	B-E-F#	G#m
F#	F# G♭	G# A♭	A# B♭	B	C# D♭	D# E♭	F	F#-B-C# G♭-B-D♭	D#m E♭m
D♭	D♭	E♭	F	G♭	A♭	B♭	C	D♭-G♭-A♭	B♭m
A♭	A♭	B♭	C	D♭	E♭	F	G	A♭-D♭-E♭	Fm
E♭	E♭	F	G	A♭	B♭	C	D	E♭-A♭-B♭	Cm
B♭	B♭	C	D	E♭	F	G	A	B♭-E♭-F	Gm
F	F	G	A	B♭	C	D	E	F-B♭-C	Dm