Nothing special here but a work in progress.

And now, For our enjoyment the recording that has proven to be the jazz standard used to measure the quality of many sound systems. I bought this very recording the year it came out.
YouTube - So What by.Miles Davis What year was that?

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"What you hear in a great jazz band is the sound of democracy. “The jazz band works best when participation is shaped by intelligent communication.”
Harmony happens whenever different parts get to form a whole by means of congruity, concord, symetry, consistency, conformity, correspondence, agreement, accord, unity, consonance…….