It appears the experience makes little difference. If it did perhaps much more would have been accomplished by those who claim to have so much of it. But in fact the record of those who claim to have it is in reality pathetic.

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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…….