96 years old. Fangzhuang is the first overall planning residential area in Beijing, located in the southeast second ring road and belonging to Fengtai District. Fangzhuang Xinyi Choir is a singing group in this area. Among them, Mr. Zhao refers to Mr. Zhao Fangxing, who was introduced in an interview and was 96 years old in 2022. Zhao Fangxing is a senior music educator in China, a professor of composition department of Central Conservatory of Music, and a director of China Solfeggio Society.