Jieshi Diao Youlan

Jieshi Diao Youlan (Chinese: 碣石調幽蘭; lit.

The manuscript was written during the early Tang Dynasty during the 7th century,[2] and it is now found in Kyoto, Japan.

It is believed to be a copy of an earlier manuscript and contains a lot of written 'corrections', mistakes and vagueness.

The manuscript of Youlan is written in a special old form of guqin notation, known as wenzi pu (lit.

The melody is noted for its use of microtones, especially at the cadences at the end of each of its four sections when three tones between ti and do (and in the case of the third section, the halfway tone between ti and do is further divided) are used.

First section of Youlan, showing the name of the piece: 《碣石調幽蘭第五》 "Jieshi Diao Youlan No.5", the preface describing the piece's origins, and the tablature in longhand form.