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Article . 2016
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Forma musical como um processo: do isomorfismo ao heteromorfismo

Authors: Danilo Rossetti; Silvio Ferraz;

Forma musical como um processo: do isomorfismo ao heteromorfismo

Abstract

Este artigo se propõe a analisar a questão da forma musical a partir do momento em que temos, no início do século XX, uma ruptura com sua predeterminação, passando a se configurar como o resultado de diferentes operações ou processos de composição. Neste contexto, abordamos a noção de forma estatística, ligada ao isomorfismo e à continuidade entre as diferentes escalas temporais presentes numa obra musical (MEYER-EPPLER, 2009 [1954]; STOCKHAUSEN 1959; EIMERT, 1959) e ao princípio do grau de mudança (STOCKHAUSEN, 1989b [1958]; KOENIG, 1963, 1965), bem como a noção da forma como uma emergência, ligada ao heteromorfismo e à descontinuidade entre as diversas escalas temporais (VAGGIONE, 1994, 2010). Para tanto, trazemos como fundamentação teórica o método alagmático e o princípio da individuação das formas de Gilbert Simondon (2005), assim como as características morfológicas perceptivas de saliência (saillance) e pregnância (prégnance) de René Thom (1988, 1990a), além de sua teoria das catástrofes (THOM, 1985). No contexto proposto, a fusão de timbres é pensada como um processo alagmático gerador de novas formas, sendo analisada a partir de diferentes possibilidades tais como por jitter (DUBNOV; TISHBY; COHEN, 1997), síntese granular, permeabilidade (LIGETI, 2010a [1958]), micropolifonia (LIGETI, 2010c [1980]) e convolução (ERBE, 1997; JAFFE, 1987; ROADS, 1993; VAGGIONE, 1996). Concluímos a respeito dos processos de fusão analisados não apenas considerando-os isoladamente, mas como operações que propiciam o nascimento da forma musical, afirmando o pensamento da forma como um processo e não como algo definido a priori.

Related Organizations
Keywords

Music and books on Music, M1-5000, M, Forma musical. Isomorfismo. Heteromorfismo. Fusão de timbres. Método alagmático., Music

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
4
Average
Top 10%
Average
gold