lǎo / shī / xiān / yǎn / zòu / yí / biàn / ràng / xué / shēng / tīng / wán / hòu / cháng / shì / jì / pǔ

老师先演奏一遍，让学生听完后尝试记谱。

The teacher played it once and then asked the students to try writing down the score.