How does the great success of jazz come about? It comes from the same principle. It does not give the brain much to think about in the technicality of music, it does not trouble the soul to think of spiritual things, it does not trouble the heart to feel deeply. Without troubling the heart or the soul it touches the physical body. It gives a renewed strength by the continuity of a particular rhythm and a particular sound that give people – I mean the generality – a greater strength and vigor and interest than music that strains the mind making it think. Those who do not wish to be spiritually
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