The tango is a complex popular genre that involves dance, music, poetry, philosophy, narrative and drama. It also joins African, American and European cultural and aesthetic elements. And about its origin and development history is also debated, but occupied by the Spanish from Argentina to get rid of the identity of its colonies, a large number of immigrants to move in, bringing new culture for the soil, tango is formed in the contradiction of heterogeneous culture, absorbing nutrients. Since the end of the 19th century classic tango became popular, Carlos Gardel make this classic tango reached a new peak, it is interesting to note that this classic tango is popular at the same time, people started to accept modern tango music written by Astor piazzolla, the new generation of tango composers melts into the modern music element in the classical tango music, It become a full of modern times of the music art, and formed " nuevo tango " music style.Piazzolla’s work is wide, including classical music lovers, jazz fans, and even rock musicians. His compositions combine elements from jazz, the tango, and classical music, particularly Bartok and Stravinsky. Piazzolla achieved a rare symbiosis between composed and improvised elements, which gives his music distinct individuality and appeal. This article mainly studies analyzing the several representative "tango fugue" of Astor piazzolla, and the " nuevo tango music style and fugue technology is how to organically integration and the innovation value of tango fugue ".The full text consists of introduction, seven chapters and the epilogue, the introduction will do brief explanation for the concept of the essay. Seven chapters to be illustrated in seven angles, they are the Astor piazzolla’s life and the historical development process of the " nuevo tango" music, the polyphony features of "tango fugue"-, structure features〠harmony featuresã€tonal characteristics-, texture features and orchestration. Conclusion is about explication of "nuevo tango " music style and fugue genre mutual fusion and its value, including the following three aspects:" nuevo tango enriching the fugue genre, the fugue promoting " nuevo tango art and the artistic value of the Astor piazzolla’s fugue.Selected four pieces from Astor piazzolla1 s "tango fugue", they are:Fugataã€Fuga y Misterioã€Fuga 9ã€Primavera Porte na. |