Musicisoftenthoughtofas“easy”or“playtime”,butit'snottha...
问题详情：Musicisoftenthoughtofas“easy”or“playtime”,butit'snotthatatcplaysaveryimportantpartinourentswholearnmusiclearnalotofmusichistoryatincludes“modes（调式）”,whichwereusedinchurchesduringthedeve...