An Interpretation Of Walter Dioston 's Symphony

What this paper research is 《Symphony NO.1》 and 《Symphony No.7》 of Walter Hamor Piston (January20,1894-Novemberl2,1976). Piston is a famous American music theorists, composer of classical music, master orchestrator, and professor of music at Harvard University in the20th century, combination of postmodern music in the20th century ideological trend and the evolution of the orchestral instruments style and its influence, innovation creation techniques of which involved with audio-visual sound new factors, from the surface layer, middle, gradually to a general statement of their product to go deep into the inner and timbre audio works in a specific layout for carding and analysis.