Theorem of (upwards) Harmonic Subdivision
Resumen
The purpose of this paper is to study the theoretical outcome of an aliquot equidistant fingering / fretting pattern on a string, within standard formality, a. by stating and proving a theorem expressing the exact resulting intervallic structure mathematically –a set of interval ratios between adjacent terms of a mirrored arithmetic sequence, b. by pursuing the complete mathematical properties of this structure, c. by discussing its various applications, with emphasis put on drillings on flutes, d. by calling upon practice in order to spot actual historical manifestations of the theorem and its discussion, e. by hypothesizing the rôle of the particular conditions implicit in the theorem towards the historical emergence and evolution of two primeval prototypes of the most prominent and universally disseminated intonational systems / “ur-scales”: an anhemitonic pentatonic one ([C, D, E¼↑, G, A+]) and the lower fifth of a “smooth” heptatonic one ([D, E¼↓, F+, G, A+]).
Article Details
- Cómo citar
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Lekkas, D. E. (2018). Theorem of (upwards) Harmonic Subdivision. Epistēmēs Metron Logos, (1), 45–69. https://doi.org/10.12681/eml.19245
- Número
- Núm. 1 (2018)
- Sección
- Publishing partner
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