延年的英文：
【医】 macrobiosis

Li Yannian was adept at composing music and revising new compositions.
李延年善作曲，也善改编新曲。

Indeed they were not agreeable only, but physical, wholesome, nourishing, and refreshing to the last degree
真的，它们不仅仅好吃，而且能够去病延年，营养提神。

Legends say that once Li Yannian was performing on a banquet given by Emperor Hanwu, and he sang this song
传说李延年有一次在武帝酒宴前表演，且舞且歌

The latter came from a musical family in the Zhongshan region, and he was well versed in China's musical tradition.
李延年是富有音乐传统的中山地方的人，父母兄弟都是从事音乐工作的伎人。