"I cannot copy nature in a servile way; I am forced to interpret nature and submit it to the spirit of the picture. From the relationship I have found in all the tones there must result a living harmony of colors, a harmony analogous to that of a musical composition."

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Is it not the business of the conductor to convey to the public in its dramatic form the central idea of a composition; and how can he convey that idea successfully if he does not enter heart and soul into the life of the music and the tale it unfolds?

— John Philip Sousa