The purpose of this study is to explore a chorus learning support environment based on the tutoring knowledge of the chorus leader. In general chorus practice, a chorus leader tends to instruct his chorus members based not on score information, but on a chorus leader's sense of value and/or his musical philosophy. We try to extract the tutoring knowledge necessary to evaluate/review a singing voice from the chorus leader. The extracted knowledge is expressed in a computational form and implemented in a learning support system. In this paper, a chorus learning support system is proposed. At first, the tutoring knowledge of a chorus leader is described. Next, the architecture and functions of the proposed system are shown. Finally, we evaluate the adequacy of the extracted knowledge and the effectiveness of chorus learning with our system.
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