《资治通鉴·隋纪·隋纪七》
别人问他缘故，李玄英说： 近来民间有一叫《桃李章》的歌谣，歌谣唱道： 桃李子，皇后绕扬州，宛转花园里。
人问其故，玄英言： 比来民间谣歌有《桃李章》曰： 桃李子，皇后绕扬州，宛转花园里。
When asked why, Li Xuan'en said: "Recently, there has been a folk song called "Song of Peach and Plum," which goes: Peach and plum, the empress goes around Yangzhou, wandering in the garden.