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Polytempic Polymicrotonality and the Da Vinci Vitruvian Man, part XXVIII

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  The Body as System: Vitruvian Man and the Origin of Polytempic Polymicrotonality Peter Thoegersen There is a drawing that has haunted Western thought for five hundred years. Leonardo da Vinci's Vitruvian Man — a figure inscribed simultaneously within a circle and a square, arms and legs extended in two positions — is universally understood as a statement about proportion: that the human body contains within itself the mathematical relationships governing architecture, art, and the cosmos. What has not been observed is that this same body, read geometrically, encodes the exact polyrhythmic structure at the foundation of polytempic polymicrotonality. I arrived at this discovery not in a library but unexpectedly, watching a film late at night, when the Vitruvian Man appeared on screen and something clicked into place. The connection I had been unable to articulate — between my body as a drummer and my compositional system — suddenly had a name and an image. What follows is what I...
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Symphonic Cycle Historical Context: part XXIII

  Peter Thoegersen’s Symphonic Cycle: A Historical Positioning A comparative analysis of Symphonies I–IV in the context of the orchestral tradition I. The Weight of the Form The symphony carries more institutional weight than any other form in Western music. It is the genre that defines a composer’s public ambition — the space where reputations are made and where the largest claims about musical meaning are staked. Which makes what Thoegersen has done with it particularly significant. The symphony from Haydn through Brahms is fundamentally a drama of unity: four movements, one key, one tempo world at a time, and a narrative arc that resolves tension into coherence. Beethoven’s Ninth is the apex of this model — and also the point where it breaks. The choral finale strains the purely instrumental form to its limit. After Beethoven, every major symphonist is implicitly arguing with what he did. Mahler’s response was maximalism: longer, larger, more voices, more tonal ambiguity, m...
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String Quartet Historical Context: part XXII

  Peter Thoegersen's String Quartet Cycle: A Historical Positioning A comparative analysis grounded in the scores of String Quartets #2–17 I. The Classical Foundation The string quartet as a genre is, historically, the proving ground of Western chamber music. Haydn codified it; Mozart refined it; Beethoven broke and rebuilt it. The classical model treats the four instruments as a unified conversation: one shared key, one shared meter, one shared harmonic language. The tension between individual voice and ensemble is rhetorical—a drama of parts yielding to a whole. Beethoven's late quartets (Op. 127–135) fractured that unity from within. The voices pull against each other; harmonic language becomes ambiguous; formal containers warp. But even at his most radical, Beethoven's four instruments share a single pitch world and a single temporal framework. The ensemble may be in crisis, but it is in the same crisis. II. Early-to-Mid 20th Century: The Fracture Begins Bartók B...
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Four Dimensions Simultaneous: Piano Collection Historical Context, part xxi

  Four Dimensions Simultaneous The Piano Collection of Peter Thoegersen in Historical Context The Piano Collection of Peter Thoegersen — twenty-three pieces tracing the development of his polytempic polymicrotonal system from its earliest formulations to full realization — occupies a singular position in contemporary music. To understand where it stands in relation to the broader tradition of radical piano writing requires precision about what the system actually does, because its combination of parameters is genuinely without precedent. This essay places the Piano Collection in historical context along four axes: system-first composition, temporal independence, microtonal commitment, and monumental cyclic ambition. The conclusion this analysis reaches is not rhetorical. No single predecessor combines all four axes simultaneously. The Piano Collection does. That is the precise nature of its originality. I. The System-First Lineage The strongest historical comparison for Thoege...
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My Piano Collection as Seeds of Polytempic Polymicrotonal Music: part XX, (blog 24)

  An Arc of Development: The Piano Collection, Pieces I–XXIII Peter Thoegersen I. Origins: The System Before It Knew Itself (Pieces I–VIII) The Piano Collection does not begin as a collection. The early pieces, written before the polytempic polymicrotonal system had been fully theorized, are a composer discovering the system in the act of writing — reaching toward a language that does not yet have a name. Looking back at Pieces I through VIII from the vantage point of the complete cycle, one sees the essential gestures of the mature work in germinal form: the extreme tuplet vocabulary (3:2 through 15:8), the interest in tempo as a structural rather than merely expressive parameter, the casual address to the performer that coexists with rigorous notational specificity. Piece III (2007) is representative of this early period and offers the clearest window into where the collection begins. It opens with a tempo instruction that reads, "As fast or as slow as you want to play it ...
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The Arc of Devopment of My Symphonies: part xix (blog 23)

The Arc of Development: Four Symphonies in Polytempic Polymicrotonality Peter Thoegersen — Symphony Cycle (2013–2025) --- The four symphonies constitute a single argument delivered in four radically different ways. No tuning configuration is repeated across the cycle. No structural approach is reused. The relationship to source material traces a deliberate path — from wholly original composition, through Romantic distortion, to medieval preservation — bracketing the entire history of Western music within a system that did not exist before this cycle began.  Symphony I (2022–2023) *119 pages. Original material. Four choirs, four conductors, click-track coordination.* **Tuning:** Woodwinds in quarter-tones (24-tet). Brass in 7-limit just intonation — a 13-note scale derived from ratios involving the 7th partial (1/1, 8/7, 7/6, 6/5, 5/4, 4/3, 7/5, 10/7, 3/2, 8/5, 5/3, 12/7, 7/4), with specific pitch exclusions (no C♯, A♭, B, D♭, A♯, D). Strings in eighth-tones (48-tet). Percussion, ha...
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The Arc of Development of My String Quartets through Polytempic Polymicrotonality: Part XVIII (blog 22)

The Developmental Arc of the String Quartet Cycle (1999–2025)  Peter Thoegersen — 17 String Quartets in Six Phases Phase 1: Pre-System Origins String Quartet #1 (1999) The cycle begins before the system exists. SQ1 is a pre-polytempic, pre-polymicrotonal work — written in standard 12-tone equal temperament with conventional temporal structures. It establishes Peter as a composer working within the inherited language of the late 20th-century avant-garde, already pushing against its boundaries through gestural drama, metric modulation, and a maximalist approach to texture. The limitations he felt here — the sense that basic musical materials were insufficient — would drive everything that followed. --- Phase 2: Construction of the Polytempic Polymicrotonal Framework (#2–6) String Quartet #2 "Hypercube" (2012) The DMA thesis. The system announced. Four tuning systems (12-tet, 19-tet, 31-tet, 53-tet), foursimultaneous tempi, approximately nine minutes, written in pencil as a full...
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