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Isomorphisms Between Time and Tone


The musical domains of tone and time are commonly distinguished when discussing sound art. Different cultures and their musical traditions can be discerned by the various perspectives and systems they employ when engaging with these domains. There is evidence to support that various musics from around the world exhibit structural similarities across their manipulations of tone and time. These similarities can be mapped in the form of isomorphic or identical models. While perceptually, these domains appear strikingly different, the existence of such isomorphisms hints at the possibility that they share fundamental commonalities in the ways they are processed cognitively.