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Volume 2, Issue 1, September 2017

Locating Emergent Creativity with Similarity Metrics

Christopher Wm. White

Keywords

Computation, Style, Innovation, Clustering, Information Theory

Abstract

Using corpora of 19 common-practice tonal composers, this article uses a variety of similarity metrics including cluster analyses and cross entropy to identify points of particular stylistic uniqueness. Throughout four computational experiments, we find that geography and chronology determine much inter-corpus similarity; however, points of dissimilarity – in particular, dissimilarities between larger groupings of similar composers – are described. Specific properties of stylistic imitations are also investigated and found to be more normative than average. These data are interpreted to arise due to emergent phenomena rather than being driven by individual “creative” composers.


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