A Dominant 7 Guitar Arpeggio

A7 Major third · 4 notes ·Symbol : 7

Arpeggio Notes

A R
Db 3
E 5
G ♭7

Solfège : La – Réb – Mi – Sol

Arpeggio Structure

A 2T Db T+½ E T+½ G

About this arpeggio

The dominant 7th arpeggio is the building block of blues guitar. Its internal tritone (third ↔ minor seventh) creates the characteristic blues tension. Used on I7, IV7, and V7 blues degrees, it is practiced via CAGED positions and scale boxes.

See all fretboard positions for A Dominant 7 in the interactive ScalaSix app.

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Same arpeggio in other keys