Lower string group symmetries

The lower three strings have their own symmetry. The center of this symmetry is a group of tones I like to call 'The Big Box'.

The nine notes of this pattern, with D at the center, are aligned on the 3rd, 5th and 7th frets across the 4th, 5th and 6th strings. Looking at the remaining tones within the lower string group, you can see their rotational symmetry around the big box.

There are two complete mode scales in the big box. Ascending from G and descending from A it can be treated as an ascending Mixolydian mode from G to G, and a descending Aeolian mode, from A to A.

This pattern also fills the space between the Phrygian and Ionian modes on the same three strings;

So all the key of C note position on the lower three strings can be learned by studying these three patterns.

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