We have studied the relationship between the ventricular rates (i.e. heart rates) and the tempo of a music piece. We assume that there is preferable tempo according to his heart rates and preferable music according to the preferable tempo. As a result, music can play a medical treatment support. We propose the music search system using heart rates to find his favorite music. We built a model system to evaluate the correlation between heart rates and tempo of a piece. We confirmed that our system had a significant effectiveness for music therapy support. We made it possible to find favorite music using this method.%現在，音楽検索システムにおいては曲名での検索が主体であり，ユーザの好み度を用いる検索システムはあまり見当たらない．我々は心拍と音楽との間になんらかの相関関係が存在すると考え，好み度を心拍数で判定する手法を提案する．さらに，この結果を踏まえて，検索と顧客管理に心拍数を用いる音楽検索インタプライズモデルを提案し，SaaS型CRMの実現性を検討する．
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