Rules for automated performance of ensemble music

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Abstract
Recently developed parts of a computer program are presented that contain a rule system which automatically converts music scores to musical performance, and which, in a sense, can be regarded as a model of a musically gifted player. The development of the rule system has followed the analysis-by-synthesis strategy; various rules have been formulated according to the suggestions of a professional string quartet violinist and teacher of ensemble playing. The effects of various rules concerning synchronization and timing and also tuning, in performance of ensemble music are evaluated by a listening panel of professional musicians. Further support for the notion of melodic charge, previously introduced and playing a prominent rule in the performance rules, is found in a correlation with fine tuning of intervals.