abstract: Phantom Sun is a ten-minute piece in three sections, and is composed for flute, clarinet in b-flat, violin, cello, and percussion. The three-part structure for this work is a representation of the atmospheric phenomenon after which the composition is named. A phantom sun, also called a parhelion or sundog, is a weather-related phenomenon caused by the horizontal refraction of sunlight in the upper atmosphere. This refraction creates the illusion of three suns above the horizon, and is often accompanied by a bright halo called the circumzenithal arc. The halo is caused by light bending at 22° as it passes through hexagonal ice crystals. Consequently, the numbers six and 22 are important figures, and have been encoded into this piece in various ways. The first section, marked “With concentrated intensity,” is characterized by the juxtaposition of tonal ambiguity and tonal affirmation, as well as the use of polymetric counterpoint (often 7/8 against 4/4 or 7/8 against 3/4). The middle section, marked “Crystalline,” provides contrast in its use of unmetered sections and independent tempos. The refraction of light is represented in this movement by a 22-note row based on a hexachord (B-flat, F, C, G, A, E) introduced in measure 164 of the first section. The third section, marked “With frenetic energy,” begins without pause on an arresting entrance of the drums playing an additive rhythmic pattern. This pattern (5+7+9+1) amounts to 22 eighth-note pulses and informs much of the motivic and structural considerations for the remainder of the piece. / Dissertation/Thesis / Masters Thesis Composition 2017

Sizhu was written for the standard Pierrot ensemble though with percussion replacing the singer. This particular ensemble is capable of producing a multitude of colors while maintaining the balance inherent to a chamber group. The Chinese name, si’zhu, is a literal and figurative metaphor for these elements of the ensemble. Literally translated “silk” (sī) and “bamboo” (zhú), the word is a generalization for Chinese classical music developed in the Jiangsu province (Jiāngnán sīzhú) that utilizes strings, or “silk” instruments, and flutes, or “bamboo,” instruments in combination. A typical work involves two or more players of either ilk. In reference to the work presented here, Sizhu is a metaphor for the western instruments (flute and clarinet as “bamboo,” and violin and cello as “silk”) that are employed within the piece. It also refers to my use of a Chinese melody in the compositional process. The song, Er Quan Ying Yue (The Moon Reflected In Second Spring), was composed and performed regularly on the streets by the blind erhu player A Bing. The song has been fragmented, stretched, and varied to the point of near inscrutability, though it becomes more comprehensible following the mid-point. It inspires both structural and local events. The work also employs aspects of the spectral style. The first section is a slow distortion and transformation of the A harmonic spectrum; specific partials are emphasized as the spectrum expands and contracts. Additionally, fragments of the Chinese melody appear within the confines of each specific harmonic structure. The second part completely diverges utilizing assimilated pentatonic scale permutations. Finally, the third section synthesizes these two elements of musical material within the piece as the instruments morendo into silence.

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Reference to a regular pulse is one of the most common ways of measuring time in music. As the basis for tempo, meter, subdivisions, and even formal symmetry, pulse, or the sonic articulation of regular units of time, is found throughout all levels of music. In this paper, I describe how I used a structure of twelve simultaneous pulses to compose "Monolith," a recent piece for MIDI piano, Pierrot ensemble, and fixed electronics. In the first chapter, I contextualize "Monolith" by briefly examining pulse's relationship to hierarchical structure in music and the possibilities for creativity in pulse-based hierarchical structures. In the second chapter, I analyze the use of pulse in Steve Reich's "Music for 18 Musicians," György Ligeti's "Self-portrait with Reich and Riley (with Chopin in the background), and Conlon Nancarrow's "Study No. 36 for Player Piano." In the third chapter, I describe in detail the relationship between the twelve-pulse structure and the various movements that comprise "Monolith," focusing on the relationship between compositional freedom and prescribed structure throughout the work.

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