How computer algorithms can generate musical structures through probability and logic
In short: This MIT lecture explores the intersection of computation and music. It introduces the mechanics of algorithmic composition, specifically focusing on Markov chains, and provides a practical look at using the Music21 toolkit for analyzing chords and Roman numerals.
Part of the Spring 2023 course 21M.383, Computational Music Theory and Analysis, this session led by instructor Michael Scott Asato Cuthbert examines how mathematical models can be applied to musical creation. The lecture centers on algorithmic composition, a method where rules or processes are used to generate musical output.
A key focus is the application of Markov chains—probabilistic models that predict future states based on current ones—to musical sequences. Additionally, the session introduces students to the Chord and Roman Numeral modules within Music21, a Python-based toolkit designed for computer-aided musicology.
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- Summary by Intellect · source: Class 23 Video: Algorithmic Composition
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