While strolling down the Decumanus it is normal to come across various shows of live music, dance or performance art that the countries taking part offer visitors to Expo 2015 outside their pavilions. Very often these are unique events and sometimes we can be lucky enough to attend a performance by major foreign artists just passing through who it would have been difficult to find on other occasions, or even to see in Italy. In the case of Argentina, the chance to attend a top level performance is ensured day after day by the presence of the resident group “[El Choque Urbano](https://www.youtube.com/watch?v=dWN-8mE4bG4)”, who, at different times of the day, present two live shows called “Crisoles”, plus percussion and tango workshops. The “Crisoles” show manages to marry traditional Argentinian and metropolitan culture, in a modern, experimental key. In fact, this is a live music and dance show in which the instruments used are everyday or industrial plastic objects, re-adapted and re-assembled to become percussion instruments with an intriguing, highly melodic sound. The specially rearranged pieces played come from the Argentinian tradition and among them stands out a version of “[Liber Tango](https://www.youtube.com/watch?v=taTBhhSc7ak)” by Astor Piazzolla, which I can assure you is every bit as good as the [Grace Jones version](https://www.youtube.com/watch?v=nIN3IE3DHqc). In the case of “Liber Tango” the music is accompanied by a performance from two Argentinian tango dancers. For the rest of the show it's the musicians themselves who dance while performing, with an energetic and moving fusion of movement and sound that makes a show which, as well as being stunning to watch, gives visitors a regenerating break useful for continuing their visit to the Argentinian pavilion and the exhibition site, or ending it in a special way.