我在中国俗曲总目稿的序文中说过:“李家瑞君以参加此項工作之心得,写了一部北平俗曲略;這是一部独立的书,但也可以与本书相辅而行,作为有力的補充”。现在这部书快要印成出版了;這是李君的第一部著作,也是我们中国人研究民间文蕴以来第一部比较有系統的叙述,這是我樂於向同道诸君子介绍的。去年李君把寫稿送给我看的時候,我大致翻了一翻,知道书中的话说,多半是从纸片子里带 I said in the preface to the general script of the Chinese vulgar song: “Li Jiaruijun wrote a popular Northern Tradition about his work in this field. This book is an independent book but can be supplemented with this book As a powerful supplement. ” Now this book is going to be published in print; it is Li Jun’s first book and the first systematic narration we have made since the Chinese studied folklore. This is my pleasure to introduce to my fellow gentlemen. Last year, when Li Jun gave me the manuscript for writing, I roughly doubled it, knowing that most of the words in the book belonged