Trabun in Mapuche language means encounter. In 1984, the first festival plasma. It came from the hand of a pioneering group that integrated the rock Numilén, she was nurtured by residents of San Martin de los Andes, both native and resident Chileans, united by a strong attachment to popular music, respect for indigenous peoples in Latin America, the irreducible vocation libertarian and repudiation of the dictatorship in his long night had generated among other desasiertos the conflict with Chile.

On this 20th anniversary celebration that empty into the Main park, artisans, puppeteers, artists, communities, Aboriginal communities, musicians, where the only instruction is involved. It is a stage and open street, dancing and singing until dawn you, the artists involved in the show are not paid and revenues that different raise regional food stalls are overturned in works of clubs, districts, and cooperative ventures neighborhood.

Year after year people are added to the different corners of the country, over our values, which are not few. Receive increasingly dancers from Chile, candomberos Uruguay, Paraguay, Bolivia and Latin American musicians groups. Three holidays in December, in which the village sleeps little, but the spirit of togetherness grows enter peoples party a little bit .....

In every corner where fires are lit the same musicians who passed through the main stage prolong the party in direct contact with people. The block is surrounded by hundreds of artisans who display and sell their products, and among them are the positions of the Mapuche communities offering flask, wood carvings, textiles, etc.. During the morning the puppeteers walk the neighborhoods and in the afternoon are installed in the square carrying out its function, but all have the option of participating players at the various workshops, recitals or Pichi Trabun inevitable, for under 16 . The latter ensures the continuity of the spirit of the meeting, since in recent years it has been held, calls many children who pass through the scene leaving their dances, music and singing.