essi

music

Music is not solely inspirational. Composers use frameworks. Some use western music theory, and any of their respective numerous genre and forms, which comes with their own rich history, culture, rules and patterns. This notebook shows how musical rules and patterns can be extracted from particular mathematical objects called cellular automata. This concept is not new. Genius composer Iannis Xenakis might have been the first to popularize (or even to use) them in music with his orchestral work Horos in 1986 (Solomos, 2013). This article applies a rather simple method to compose nusic with cellular automata, and can be summarized in three steps.

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Code is poetry, of course, but it is also music. The music21 Python package for computer musicology not only allows investigating musical scores with data science, but also to write your own scores with mathematical operations. Georges Dimitrov, composer and professor at Concordia University (Montreal, Canada), created the arvo package, which includes well-known minimalistic mathematical operations on notes to create no less rich musical scores. In this notebook, I explain how to compose the piece just below with arvo and music21 with minimalistic procedural composition techniques. You will need to have intermediate understanding of the Python programming language and basic understanding of western music theory.

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