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Doublestops on the open strings. GB together. Think like those are the 3 & 2 open in tablature. Open 3 & 2 together looks like what you see above.
- Map the consonance/dissonance for each couplet [train]. They behave the same across each of the sets, though moving into higher registers creates different resonance and timbre.
- Once mapped, improvise with any single train.
- Improvise using any and all. If there are 12 options per couplet, with 5 couplets, we have 60 options [with 60 different 'names'!]. Try A3, D3, E3 [0-11's] - sweet sounds. Mix it up.
- Write 'progressions'. Choose 4 and loop them.