xué / xí / qī / shēng / yīn / jiē / shì / lǐ / jiě / xī / fāng / yīn / yuè / hé / shēng / de / zhòng / yào / jī / chǔ

学习七声音阶是理解西方音乐和声的重要基础。

Learning the heptatonic scale is an important foundation for understanding Western music harmony.