kb: add R&B/neo-soul guitar pack
5 progressions (mediant circle, Stevie 6-2-5-1 with 9sus V, maj7
two-chord vamp, D'Angelo Dorian vamp, gospel Amen IV-iv-I) x 2 plays:
m9 slides, m11 colour sets, embellished Mayfield/Hendrix barres,
Dilla-feel barre wash. Comping documents pluck-and-mute, the neo-soul
slide, hammer vocabulary, Cropper 6ths, the Dilla feel. Sourced
Mayfield figures (standard-tuning adaptation flagged). Validator and
build green.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
vadimwit
e180f85289