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arXiv · 1602.04137

A Graph-Theoretic Approach to Efficient Voice-Leading

Susannah Wixey·Rob Sturman
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Abstract

We study the Neo-Riemannian principle of parsimonious voice-leading using tools and techniques from classical graph theory and the modern field of complex networks. We quantify the relative importance of particular chords within this framework. The graph-theoretic notion of eccentricity suggests that when working in a harmonic scheme dictated by any common musical scale, no triad is any more isolated than any other. Complex network theory refines this idea, and in this context provides measures of how important particular triads might be for the flow of chord progressions through the harmonic network. We review and compare several different such measures of centrality and communicability.

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Susannah Wixey, Rob Sturman. 2016-02-09. A Graph-Theoretic Approach to Efficient Voice-Leading. https://arxiv.org/abs/1602.04137

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