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Interactive Chord & Scale Suite

Discover guitar chord variations, reverse-identify chord names, and map custom scales on the cosmic fretboard.

Key / Root Note

Scale Pattern

Nut

Degree	Root Note	Triad Chord	7th Chord	Notes
I	C	C Major	C maj7	C - E - G
ii	D	D Minor	D m7	D - F - A
iii	E	E Minor	E m7	E - G - B
IV	F	F Major	F maj7	F - A - C
V	G	G Major	G 7	G - B - D
vi	A	A Minor	A m7	A - C - E
vii°	B	B dim	B m7b5	B - D - F

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