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ExpertBach: Chorale Generation Powered by Domain Knowledge

Affiliation
MAC
Presenter
최은진
Subject
Symbolic Music Generation
Site
B18
Time
Poster Session II - 13:30~15:00
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Abstract

This paper presents a music generation model trained with Bach's chorales and classical music theory rules. Although previous work has shown promising results in generating the four-part harmony, one of the limitations is the frequent appearance of parallel 5th or 8th, which are prohibited in music theory and rarely used in Bach's Chorale. To address this issue, we propose an additional loss that minimizes the probability of prohibited patterns, comparing the results with those from inference using a post-hoc probability manipulation to prevent parallel 5th and 8th. Moreover, we incorporated musically-informed feature encoding scheme to improve generation quality. Finally, we conducted a quantitative comparison of the generated results with Bach's original pieces and another machine-generated Chorale dataset.