Dissonância micrométrica como possibilidade analítica da música dos séculos XX e XXI
Leandro Gumboski · Revista Música · 2021
Metrical dissonance is a concept that emerged in the 19th century as a compositional tool. It was systematically theorized by Krebs (1999) comprising situations of metrical non-alignment between different interpretive layers. It is a theoretical axiom that metrical dissonances present a common layer faster than those interpretive layers that dissonate, called the pulse layer. In structural opposition to hypermetrical dissonance, already discussed in recent theoretical bibliography, this paper proposes a definition for micro-metrical dissonance. Micro-metrical dissonance is conceptualized as a situation in which the pulse layer also becomes one of the layers in metrical conflict (interpretive layers). Micro-metrical dissonance can be segmented into specific analytical categories, namely, speed (grouping), displacement and continuous acceleration or retention dissonance. This paper still presents concise analytical examples for each one. It is concluded that the concept of micro-metrical dissonance is of great relevance to analyze the temporal plane of many compositions of the 20th and 21st centuries.