Tango Argentino

Argentine tango is a musical genre of simple quadruple metre and binary musical form, and the social dance that accompanies it. Its lyrics and music are marked by nostalgia, expressed through melodic instruments including the bandoneon. Originating at the ending of the 19th century in the suburbs of Buenos Aires, and Montevideo, Uruguay, it quickly grew in popularity and spread internationally. Among its leading figures are the singer and songwriter Carlos Gardel and composers/performers Francisco Canaro, Juan D'Arienzo, Carlos Di Sarli, Osvaldo Pugliese, and Ástor Piazzolla.

The origins of tango are unclear because historical documentation from that era hardly exists. However, in recent years a few tango aficionados have undertaken a thorough research of that history , so it is less mysterious today than before. It is generally thought that the dance developed in the late 19th century in working-class neighborhoods of Buenos Aires, Argentina and Montevideo, Uruguay as practiced by Uruguayan and Argentine dancers, musicians, and immigrant laborers.

Argentine tango music is much more varied than ballroom tango music. A large amount of tango music has been composed by a variety of different orchestras over the last century. Not only is there a large volume of music, there is a breadth of stylistic differences between these orchestras as well, which makes it easier for Argentine tango dancers to spend the whole night dancing only Argentine tango. The four representative schools of the Argentine tango music are Di Sarli, d'Arienzo, Troilo and Pugliese, all four descendent from Italian immigrant families. They are dance orchestras, playing music for dancing. When the spirit of the music is characterized by counterpoint marking, clarity in the articulation is needed. It has a clear, repetitive pulse or beat, a strong tango-rhythm which is based on the 2x4, 2 strong beats on 4 (dos por cuatro). Ástor Piazzolla stretched the classical harmony and counterpoint and moved the tango from the dance floor to the concert stage. His compositions tell us something of our contemporary life and dancing it relates much to modern dance.

...
Wikipedia