"Nostalgia" is China's first pop song and the "pioneering work" of popular songs. In addition to using Western instruments such as drums and electric guitars in the arrangement, "Nostalgia" is also performed by Li Guyi also adopted the "qi voice" singing method for the first time, which was crucial to the development of Chinese pop music. In 1983, CCTV broadcast the first Spring Festival Gala live, and the audience hotline requested the banned song "Nostalgia" at high frequency. "Nostalgia" was finally corrected at the Spring Festival Gala and was hailed as the first pop song in mainland China.