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Tetractys is a new music concert series that serves the cultural needs of Austin by contributing to the cultivation of a thriving new music scene.



(b. 1978, San Francisco, CA) is an American composer and conductor of contemporary art music. He has composed works for orchestra, the theater, chamber ensembles, choir, art songs, and solo pieces, all of which are primarily inspired by the visual arts, literature, and natural landscapes.

Prosser’s music has been presented across the US and internationally at festivals and conferences including the Cortona Sessions for New Music, NASA, the Oregon Bach Festival Composer’s Symposium, Portland State University’s Theater Arts Program, the Brevard Music Center, and NACUSA. His works have been performed by the University of Texas New Music Ensemble, DuoSolo, The Riverside Chamber Symphony, ITCH Ensemble, the Eugene Contemporary Chamber Ensemble, the Sospiro New Music Vocal Ensemble, the Tai Hei Ensemble, the University of Oregon Women’s Choir, and The Louisiana Sinfonietta, among others.

As a conductor and passionate advocate for new music, Prosser has conducted over 40 world premiere performances of works by young and emerging composers. He has held posts with the Sospiro New Music Vocal Ensemble and served as the Associate Conductor of the Riverside Chamber Symphony for their 2011-2012 season (Oregon). He is also the co-founder and co-director of Tetractys, a new music concert series based in Austin, Texas.

Prosser is currently pursuing his DMA at the University of Texas at Austin, where he is an Assistant Instructor in the Music Theory Department. At UT, he was the recipient of the Robert Jeffry Womack Endowed Presidential Scholarship and the Kent Kennan Endowed Graduate Fellowship in Music Composition. He also holds degrees from The University of Oregon (M. Mus., 2010) and Louisiana State University (B. Mus., 2007).