The percussion quartet Echoes From the Gorge stands as the seminal masterpiece of Chou Wen-chung,hailed as the sum of all the Eastern and Western concepts he has gained in his professional career.Based on rigorous musical analysis and related to multifaceted realms of ancient Chinese philosophy and aesthetics,this paper scrutinizes the significance of Echoes From the Gorge within the trajectory of the composer's creative oeuvre, as well as how its intention and realization utilize sound as a conduit to reflect on and respond to important issues such as the interplay between the East and the West and their respective musical legacies,the autonomy of composition,the essence of sound,the philosophical underpinnings of the I-Ching, guqin theory,the vivid imagery of Chinese landscapes and San-yuan spaces.