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This article provides a detailed method for analyzing smoothness in the seams between musical modules in video games. Video game music is comprised of distinct modules that are triggered during gameplay to yield the real-time soundtracks that accompany players’ diverse experiences with a given game. Smoothness—a quality in which two convergent musical modules fit well together—as well as the opposite quality, disjunction, are integral products of modularity, and each quality can significantly contribute to a game. This article first highlights some modular music structures that are common in video games, and outlines the importance of smoothness and disjunction in video game music. Drawing from sources in the music theory, music perception, and video game music literature (including both scholarship and practical composition guides), this article then introduces a method for analyzing smoothness at modular seams through a particular focus on the musical aspects of meter, timbre, pitch, volume, and abruptness. The method allows for a comprehensive examination of smoothness in both sequential and simultaneous situations, and it includes a probabilistic approach so that an analyst can treat all of the many possible seams that might arise from a single modular system. Select analytical examples from The Legend of Zelda: The Wind Waker and Portal 2 provide a sampling of the various interpretive gains available through this method.
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