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Theory · in A

What to play over each chord

Keep box 1, but land on each chord's 3rd or b7 as it arrives.

Box 1 · A7 E shape
eBGDAERb35b7b334b7R45Rb3456789
  • Root
  • 3rd
  • 5th
  • b7
  • Scale
Box 1 · D7 A shape
eBGDAE5b7234b7R45R25b7456789
  • Root
  • 3rd
  • 5th
  • b7
  • Scale
Box 1 · E7 C shape
eBGDAE34b6Rb3b6b7b334b7R4b6456789
  • Root
  • 3rd
  • 5th
  • b7
  • Scale

There are three levels. Move up one level only when the one below is automatic.

Level 1 — one scale. A minor pentatonic (or blues scale) over all 12 bars. It works. It sounds like rock-blues. This is where most players stop.

Level 2 — one scale, but land on the chord tones. Keep box 1, but when the chord changes, land on its 3rd or b7. This is the biggest single upgrade and the main goal of this plan.

Chord Notes (R 3 5 b7) Target note Where in box 1 (fret 5 area)
A7 A C# E G C# (the 3rd) G string fret 6, or bend G string fret 5 (C) up a half step
A7 G (the b7) D string fret 5, B string fret 8
D7 D F# A C F# (the 3rd) B string fret 7, D string fret 4
D7 C (the b7) E string fret 8, G string fret 5
E7 E G# B D G# (the 3rd) D string fret 6, or bend B string fret 8 (G) up a half step
E7 D (the b7) A string fret 5, G string fret 7

Two rules that fall out of the table:

Level 3 — change scale per chord. A mixolydian or A major pentatonic over A7, D mixolydian over D7, E mixolydian over E7. This is the BB King and Robben Ford sound. Treat it as a week 6 to 8 topic.