THE MAGIC OF TONE and the Art of Music
 
In my opinion, the most profound book about music available.  [CMC]
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This long- awaited title, out-of- print since 1987, The Magic of Toneis now available free online at the Rudhyar Archival Project.

The Magic of Tonecomprises Rudhyar's last word (written in 1982, three years before his passing) on Sound, Tone, Music and the Rhythm of Civilization and Culture
see also
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"...Our Western music is essentially a music of notes. Oriental music or archaic, primordial music —magical music — was essentially a music of tones. In our Western music notes are the edge of intervals..."
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"...The more developed his power of relating apparently heterogeneous elements, the smaller the field of discords for any particular hearer. This power increases by mere habit to a considerable degree. We shall refer to it subsequently as that of identifying opposites; metaphysically it is the power of relating spirit to matter, the essential characteristic of the truly human Soul..."