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�Each of the three pillars of the piece -- choir, metal trio, and pipe organ -- are operating within their own algorithms, their own keys, time and tempo. And the piece is written for them to be on parallel tracks but making a different fourth thing, dovetailing together on the cadences.
Eventually we all began to be able to hear how it all worked, what notes the choir should be singing when you, as the guitarist, were on your third beat of bar number 15, a 4/4 bar, at quarter note = 60, as they....