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magnetic tape or recording disk or magnetic wire or similar having recorded all the pure tones of various musical scales known as below you in the world diatonica chromatic minor mayking esacordale modofrigio lidio dorico eccscale african indian chinese etc.
magnetic tape or recording disk or magnetic wire or similar having recorded all the pure tones of various musical scales known as below you in the world diatonica chromatic minor mayking esacordale modofrigio lidio dorico eccscale african indian chinese etc.