[{"data":1,"prerenderedAt":345},["ShallowReactive",2],{"blog-ja-alto-trombone-practice-guide":3,"blog-all-posts-detail-ja":199},{"id":4,"title":5,"body":6,"description":181,"extension":182,"meta":183,"navigation":194,"path":195,"seo":196,"stem":197,"__hash__":198},"blogI18n\u002Fblog-i18n\u002Fja\u002Falto-trombone-practice-guide.md","Practice.farmでアルトトロンボーンを練習する",{"type":7,"value":8,"toc":173},"minimark",[9,13,17,21,48,51,54,75,78,96,99,102,116,119,124,141,146,162],[10,11,5],"h1",{"id":12},"practicefarmでアルトトロンボーンを練習する",[14,15,16],"p",{},"アルトトロンボーン専用の練習教材は多くありません。Practice.farmなら、どんな練習曲もアルトトロンボーンの音域と音部記号に合わせて演奏できます。",[18,19,20],"h2",{"id":20},"音域を設定する",[22,23,24,36,42],"ol",{},[25,26,27,31,32,35],"li",{},[28,29,30],"strong",{},"「設定」"," をクリックし、",[28,33,34],{},"「音域」"," を選びます",[25,37,38,41],{},[28,39,40],{},"下限をA2に設定します"," - 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