Example image of eyePlorer eyePlorer map for 'Henry Cowell': 1897 1965 Composer December 10 Impresario March 11 Music theory Pianist United States Virgil Thomson Bohemianism Menlo Park, California Music of Ireland Charles Seeger University of California, Berkeley Leo Ornstein Tone cluster Chord (music) Consonance and dissonance Overtone Secundal Culture of Ireland Halcyon, California Irish mythology Theosophy The Tides of Manaunaun Atonality Musical mode Polyrhythm Polytonality Béla Bartók String piano John Cage Prepared piano Polyphony Canon (music) Experimental music Rhythm Conlon Nancarrow Fundamental frequency Harmonic rhythm Harmonic series (music) Léon Theremin Pitch (music) Rhythmicon Transposition (music) Drum machine Rhythmic unit Syncopation Theremin
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