Abstract: There are 38 kinds of literature concerning music collected in Economic and Ancient Codes Branch of An Old History of Tang Dynasty. They are mainly in music part of economic branch and general part of collection branch. Such literature collected was mostly concerning pre-Tang periods. And only one third of it belongs to Tang period. Among this part, the works were made in early Tang Dynasty. Its classification inherited Economic and Ancient Codes Branches of A History of Sui Dynasty. And the lyrics of the official music workshop were mostly collected in the general part of collection branch possibly due to their non-classic style.