We've been discussing directions and suchlike with Diatomatious Earth. So here are some randomly collected notes.
And then. Grateful Dead with their 7-7-89 version of Fire on the Mountain:
(B and A)
"Don't Let Go (Part 1)" by the Jerry Garcia Band ("Mostly A but some D's thrown in.")
Grateful Dead "Althea". ("This is B#m A E A and B#m A E".)