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Ariza
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Biography

Christopher Ariza is a composer and programmer of sonic structures and systems. He is presently a professional software engineer and independent audio mastering engineer. As Visiting Assistant Professor of Music at MIT from 2009 to 2012, he taught courses in music technology and was Lead Programmer of the music21 system for computer-aided musicology. He has served as Assistant Editor at the Computer Music Journal and, from 2006 to 2009, on the faculty of Towson University as Assistant Professor of Recording Arts and Music Technology. He studied at Harvard University (AB), New York University (MA, PhD), and, under a Fulbright grant, at the Institute of Sonology. He has composed computer and acoustic music for a variety of mediums, and performs and develops live-electronics instruments. His compositions have been performed and distributed around the world, and his ongoing research in generative music systems and computer-aided algorithmic composition is made available in numerous publications, installations, and software systems.

Articles & Documentation

Ariza, C. and M. S. Cuthbert. 2011. "The music21 Stream: A New Object Model for Representing, Filtering, and Transforming Symbolic Musical Structures." Proceedings of the International Computer Music Conference. San Francisco: International Computer Music Association, pp. 61-68. Available online at http://www.flexatone.org/ static/ docs/ music21Stream.pdf

Ariza, C. and M. S. Cuthbert. 2011. "Analytical and Compositional Applications of a Network-Based Scale Model in music21." Proceedings of the International Computer Music Conference. San Francisco: International Computer Music Association, pp. 701-708. Available online at http://www.flexatone.org/ static/ docs/ scaleNetwork.pdf

Ariza, C. and M. S. Cuthbert. 2010. "Modeling Beats, Accents, Beams, and Time Signatures Hierarchically with music21 Meter Objects." Proceedings of the International Computer Music Conference. San Francisco: International Computer Music Association, pp. 216-223. Available online at http://www.flexatone.org/ static/ docs/ meterObjects.pdf

Ariza, C. 2011. "Two Pioneering Projects from the Early History of Computer-Aided Algorithmic Composition." Computer Music Journal 35(3): pp. 40-56. Available online at http://www.mitpressjournals.org/ doi/ abs/ 10.1162/ COMJ_a_00068

Ariza, C. 2009. "Sonifying Sieves: Synthesis and Signal Processing Applicatinos of the Xenakis Sieve with Python and Csound." Proceedings of the International Computer Music Conference. San Francisco: International Computer Music Association. Available online at http://www.flexatone.net/ docs/ sspaxspc.pdf

Ariza, C. 2009. "Pure Data Object Glossary." Available online at http://flexatone.net/ docs/ pdg

Ariza, C. 2009. "The Interrogator as Critic: The Turing Test and the Evaluation of Generative Music Systems." Computer Music Journal 33(2): pp. 48-70. Available online at http://www.mitpressjournals.org/ doi/ abs/ 10.1162/ comj.2009.33.2.48

Ariza, C. 2008. "Python at the Control Rate: athenaCL Generators as Csound Signals." Csound Journal 9. Available online at http://www.csounds.com/ journal/ issue9/ pcragcs.html

Ariza, C. 2008. "Composing Musical Structures within a Web-Browser: A Guide to Envl.net." Available online at http://www.flexatone.net/ envl/ docs

Ariza, C. 2007. "Serial RSS Sound Installation as Open Work: The babelcast." Proceedings of the International Computer Music Conference. San Francisco: International Computer Music Association, 1: pp. 275-278. Available online at http://www.flexatone.net/ docs/ srsiowb.pdf

Ariza, C. 2007. "Automata Bending: Applications of Dynamic Mutation and Dynamic Rules in Modular One-Dimensional Cellular Automata." Computer Music Journal 31(1): pp. 29-49. Available online at http://www.mitpressjournals.org/ doi/ abs/ 10.1162/ comj.2007.31.1.29

Ariza, C. 2006. "Beyond the Transition Matrix: A Language-Independent, String-Based Input Notation for Incomplete, Multiple-Order, Static Markov Transition Values." Available online at http://www.flexatone.net/ docs/ btmimosmtv.pdf

Ariza, C. 2006. "The babelcast Information Sheet." Available online at http://www.flexatone.net/ docs/ babelcast.pdf

Ariza, C. 2005. "The Xenakis Sieve as Object: A New Model and a Complete Implementation." Computer Music Journal 29(2): pp. 40-60. Available online at http://www.mitpressjournals.org/ doi/ abs/ 10.1162/ 0148926054094396

Ariza, C. 2005. "Navigating the Landscape of Computer-Aided Algorithmic Composition Systems: A Definition, Seven Descriptors, and a Lexicon of Systems and Research." Proceedings of the International Computer Music Conference. San Francisco: International Computer Music Association, pp. 765-772. Available online at http://www.flexatone.net/ docs/ nlcaacs.pdf

Ariza, C. 2005. athenaCL Tutorial Manual. 2nd ed. Available online at http://www.flexatone.net/ athenaDocs

Ariza, C. 2005. An Open Design for Computer-Aided Algorithmic Music Composition: athenaCL. Ph.D. Dissertation, New York University. Available online at http://www.flexatone.net/ caac.html {Amazon}

Ariza, C. 2004. "An Object Oriented Model of the Xenakis Sieve for Algorithmic Pitch, Rhythm, and Parameter Generation." Proceedings of the International Computer Music Conference. San Francisco: International Computer Music Association, pp. 63-70.

Ariza, C. 2003. "Ornament as Data Structure: An Algorithmic Model based on Micro-Rhythms of Csángó Laments and Funeral Music." Proceedings of the International Computer Music Conference. San Francisco: International Computer Music Association, pp. 187-193. Available online at http://www.flexatone.net/ docs/ odsammrclfm.pdf

Ariza, C. 2002. "Prokaryotic Groove: Rhythmic Cycles as Real-Value Encoded Genetic Algorithms." Proceedings of the International Computer Music Conference. San Francisco: International Computer Music Association, pp. 561-567. Available online at http://www.flexatone.net/ docs/ pgrcrvega.pdf

Ariza, C. 2002. "A New Language for Computer-Aided Post-Tonal Pitch Analysis: Python and the Open Source athenaCL Project."

Ariza, C. 2001. "athenaCL: Set Class Utility and Algorithmic Composition in Csound."

Ariza, C. 2000. "Stravinsky's Verticals as Set Class Similarity Contours."

Ariza with KIOKU

Christopher Ariza performing live electronics with KIOKU. More information.