On October 19, 2001 (September 3, 2001 in the lunar calendar), the famous conductor Li Delun passed away. On the morning of October 19, 2001, 84-year-old China music veteran Li Delun passed away, bidding farewell to his lifelong China symphony career. The last time Li Delun held the baton was on stage in a wheelchair. On November 19, 1999, at the closing ceremony concert of the 2nd Beijing International Music Festival, the old musician and world-famous violin master Isaac Stern joined hands again after 20 years. At that time, the two music veterans were both in their 80s, and this performance on the same stage was called the "unique sound of the century." This music conductor, who was a consultant to the China Symphony Orchestra and vice chairman of the China Musicians Association, was born in Beijing in 1917 and began to learn piano and violin as a teenager. In 1940, he was admitted to Shanghai Conservatory of Music, where he organized "China Youth Symphony Orchestra" with his classmates. After graduating from Shanghai Music College in 1946, he went to Yan 'an to serve as a teacher and conductor of the Central Orchestra. After the founding of New China, he served as the conductor of the Central Opera House. From 1953 to 1957, he studied in the Conducting Department of the Moscow Conservatory of Music as a postgraduate student of Professor Anosov. After graduation, he returned to China to serve as the conductor of the Central Orchestra. As a guest conductor, he has also conducted more than 20 orchestras in Leningrad, Moscow and other cities in the former Soviet Union, and conducted in Finland, the Czech Republic, Cuba and other countries. He has conducted many large-scale orchestras of hundreds of people to perform many times. He has also conducted dozens of symphony works by China composers such as He Luting, Ma Sicong, Luo Zhongrong, Wu Zuqiang, Chen Peixun, etc., and has performed with famous domestic and foreign musicians Oistrach, Menuine, Stern, Toteri, Youyou Ma, Nikolayeva, Starkman, Fu Cong, Liu Shikun, Shen Xiang, Guo Shuzhen, Hu Kun, Lu Siqing, Xue Wei, etc. In 1980, Li Delun was awarded the Conductor Honorary Award by the Ministry of Culture. In 1985, he was a judge at the Menuine International Violin Competition in Paris. In 1986, he was a cello judge at the Tchaikovsky International Competition in Moscow. In the same year, he was awarded the Liszt Memorial Medal by the Ministry of Culture of the Hungarian Government. Over the years, he has also devoted himself to the popularization and development of symphony music, organizing band training performances in more than 20 cities including Beijing, Tianjin, and Guangzhou, promoting the construction of some local bands and concert halls, and holding many "symphony lectures" in universities, factories and government agencies across the country, which has done useful work for the popularization of symphony music.