Spectrotone Chart and Orchestration Guide
Arthur Lange’s analogy between visual color and tonecolor. The chart portrays a graphic representation of the orchestra and its kaleidoscopic tonecolors. The chromatic scale at the foot of the chart covers the range of the piano keyboard. Each note is numbered and corresponds to the numbers appearing on the different colorgraphs for each orchestral instrument (and their range) that are shown above the chromatic scale. Each colorgraph is divided into two parts, an upper and a lower band. The upperband represent the basic tonecolors of the instrument and the lower band represents the tone-colors complementary to the basic (Dimensions 15 x 18). Suitable for framing. Included are two booklets on orchestration written by Lange.
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