Major 7th Chords - Parent Keys
(Major & Natural Minor Keys Only)

This is useful for reference when working out key centres. The tutorial on 7th chords is also useful background reading.

There are also reference charts of parent keys for minor 7th, dominant 7th and half diminished chords.

Chord	Notes	Major Keys	Minor Keys
C7	C E G B	I of C major IV of G major	III of A minor VI of E minor
G7	G B D F#	I of G major IV of D major	III of E minor VI of B minor
D7	D F# A C#	I of D major IV of A major	III of B minor VI of F# minor
A7	A C# E G#	I of A major IV of E major	III of F# minor VI of C# minor
E7	E G# B D#	I of E major IV of B major	III of C# minor VI of G# minor
B7	B D# F# A#	I of B major IV of F# major	III of G# minor VI of D# minor
F#7	F# A# C# E#	I of F# major	III of D# minor
Gb7	Gb Bb Db F	I of Gb major IV of Db major	III of Eb minor VI of Bb minor
Db7	Db F Ab C	I of Db major IV of Ab major	III of Bb minor VI of F minor
Ab7	Ab C Eb G	I of Ab major IV of Eb major	III of F minor VI of C minor
Eb7	Eb G Bb D	I of Eb major IV of Bb major	III of C minor VI of G minor
Bb7	Bb D F A	I of Bb major IV of F major	III of G minor VI of D minor
F7	F A C E	I of F major IV of C major	III of D minor VI of A minor

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