An Analysis of Ether-Cosmos No. XIII-XVII by Wiboon Trakulhun

Abstract

The researcher focuses on how these compositions managed, by analyzed in the issues of pitch organization and rhythmic organization, which showed
the composer’s identity.
The study of pitch organization showed that Ether-Cosmos no. XIII is free atonal music throughout the piece, the set appears in the piece is mostly abstract subset. In parts of Ether-Cosmos no. XIV-XVII are atonal music base on serialism but there are tonal music
element hidden in some part of piece. In addition composer also emphasizes the symmetry in every pieces.
Composer give the rhythmic and meter the asymmetry and ambiguity by various process such as emphasizing the syncopated rhythms, irregular rhythmic groupings, augmentation-diminution including additive process, by using the metric displacement technique and using 2 meters simultaneously to create the character of polymeter and polyrhythm.
Overall results showed that composer used same set but the set reflect different sound quality because the difference of pitch organization in each pieces.