+2 A Types
When we add tones to A minor Pentatonic, we get different modes. We will add Bb-F, B-F, & B-F#. Each of these 3 hold one of the locations for minor chords in the Major key system. [iii, vi, ii in the order below]. There are other possibilities too. We are staying within the derivatives of the Major key system.
Here’s the shell. We are using octave 64 [octave between the 6 & 4 strings].
R- -b3-4-5- -b7
We will add 2’s & 6’s
+ Bb & F ↓
3rd mode of F Major
A to A using the tones of F Major
+ B & F ↓
Aeolian [Natural minor ↔ Relative minor] 6th mode of C Major
A to A using the tones of C Major
+ B & F# ↓
2nd mode of G
A to A using the tones of G Major.