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.
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