A7 chord with A Mixolydian scale

Pairing the A7 chord (Dominant 7) with the A Mixolydian scale: formulas, fretboard voicings and the practical context for soloing, improvisation and songwriting.

A7 chord formula

Interval formula: 1 3 5 b7. A major triad with a minor 7th. A tense chord that wants to resolve — the engine of tonal music and the backbone of the blues.

A Mixolydian scale formula

Formula: 1 2 3 4 5 6 b7. Classification: modal.

Fretboard voicings for A7

Curated A7 shapes that sit naturally inside the A Mixolydian scale.

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A7 — Drop 2, root on 6th string, frets 4–8
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A7 — Drop 2, root on 5th string, frets 1–3
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A7 — Drop 2, root on 4th string, frets 6–10

Other scales for A7

Compare how the same chord behaves over other compatible modes.

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