Gödel, Escher, Bach An Eternal Golden Braid by Douglas R. Hofstadter

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FIGURE 148. Two complete cycles of a Shepard tone scale, notatedfor piano. The loudness

of each note is proportional to its area; thus, just as the top voice Jades out, a new boltom voice

feebly enters. [Printed by Donald Byrd's program "SMUT".]

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