How many people have sung acacia?

Five people. Writing Acacia with a Pen is an antique musical work, which has been sung by many singers, including Li Guyi, Sandy Lam, Faye Wong, Liu Huan and Eason Chan. Qu Duoduo, a well-known producer of antique music, composes music and singers listen to songs. Inspired by China's traditional literature, this song combines traditional literary elements with modern music and creates a new musical style.