Showroom introduction: Nie Er (1912-1935), whose original name was Nie Shouxin, also known as Ziyi (also known as Ziyi), was from Yuxi. He is the composer of the national anthem of the People's Republic of China, "March of the Volunteers." He has composed dozens of revolutionary songs, opened up the path of new music in China, and is a pioneer of proletarian revolutionary music in China.