"The Song of Everlasting Sorrow" is a historical drama adapted from the poem of the famous Tang Dynasty poet Bai Juyi. The drama describes the love story between Emperor Tang Xuanzong and his concubine Yang Guifei during the Tang Dynasty. The performance venue is in Huaqing Palace, a famous scenic spot in Xi’an, and the famous Mount Li serves as the background of the performance. By means of mountain and river scenes, classic music and dance, narrative poem, high-tech lighting, acoustics and special effects, "Song of Everlasting Sorrow" gives the audience a chance to travel back in time to appreciate the love that happened at the foot of Mount Li and the bank of Huaqing pool 1000 years ago, and experience the culture of the flourishing Tang Dynasty.