《太平广记·卷二百零四·乐二》
独孤丈人接过看看，说：你这些笛子都不堪使用。使用它们的主人都是粗通吹笛的人。
吹之则见车马山林，隐隐相次，息亦不见，名曰昭华之管。
Mr. Dugu took it and looked at it, and said: "None of these flutes of yours are available for use. The masters who use them are all beginners."