SBEAT3: a tool for multi-part music composition by simulated breeding

  • Authors:
  • Tatsuo Unemi

  • Affiliations:
  • Soka University, Hachioji, Tokyo, 192-8577 Japan

  • Venue:
  • ICAL 2003 Proceedings of the eighth international conference on Artificial life
  • Year:
  • 2002

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Abstract

This paper presents a design of support system for musical composition based on Simulated Breeding. In our system named SBEAT3, each individual in the population is a short musical section of sixteen beats including 23 parts, thirteen solos, two chords and eight percussions. The melody and rhythm are generated by a type of recursive algorithm from genetic information. By selecting favorite piece among scores displayed on the screen, the user listens to the sounds and decides which should be theparents to reproduce the offspring in the next generation. The genetic codes of children are generated through mutation and crossover. Iterating this process, the user obtains better pieces gradually. Embedding some domain specific functions, such as changing tempo and selecting tones, we can build a useful tool to make it easier for a beginner to compose his/her favorite musical pieces.