Uruguay is preparing to celebrate in 2017 the centenary of the tango "La Cumparsita" by Gerardo Matos Rodriguez, perhaps the piece of this genre that has the greatest popularity, as many performances and recordings worldwide.
It was in 1917 when he first played in a bar called La Giralda Montevideo, according to official sources reported.
https://www.youtube.com/watch?v=W8Ud0PS0H_k
It is a work that barely reaches three minutes, but impresses by force and cadence of the bandoneon, the main instrument plays the melody.
Interestingly , Carlos Gardel made his version of the piece, adding lyrics to tango: https://www.youtube.com/watch?v=ORA4XVRbd2w
The piece was inscribed in 2009 on the List of Intangible Cultural Heritage of Unesco.