false 0 0 http://www.goodreads.com/images/nophoto/nophoto-U-200x266.jpg <![CDATA[Improvisation: Its Nature and Practice in Music]]> 4.03 64 1982 <![CDATA[インプロヴィゼーション―即興演奏の彼方へ]]> 0.0 0 1981