CHORD · DOMINANT 7TH

A7 (A7)

The A7 chord (A7) contains 4 notes: A, C#, E, G. A major triad plus a minor 7th — restless, contains a tritone, wants to resolve.

CDEFGABCDEFGABCC#

Notes

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Intervals from root

DegreeNoteIntervalQualityHalf steps
1A1Perfect Unison0
2C#3Major 3rd4
3E5Perfect 5th7
4Gb7Minor 7th10

Build A7 until it's instinct

Build A7 in Build the Chords.

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