Fusing Flamenco and Argentine Tango by evolutionary composition

Evolutionary composition has received considerable attention in these years. An automatic composition system based on evolutionary computation is attractive but very challenging because the evaluation function is difficult to design: First, human's evaluation on a composition is subject to personal feeling and preference. Second, different regions form their unique music genres from local customs, lifestyle, or ethnic history. These genres enrich music diversity and human sensation. This study presents an evolutionary composition system to address the above two issues. More specifically, the proposed system adopts general music theory rules as the fundamentals of fitness evaluation, thereby ensuring the basic harmony and consonance. In addition, we explore the specific musical expressions of Flamenco and Argentine Tango, and include their features in the evolutionary composition system to create a fusion. Experimental results show that the generated music is satisfactory and can express the emphases of both Flamenco and Argentine Tango.

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