The 2010 International Tango Festival has just concluded in Argentina, and it paid special tribute to the bandoneon, the instrument that gives the dance its unique sound.<br /><br />But the distinctive sound of the tango as we know it could be under threat.<br /><br />In this week's Latin American Focus on Al Jazeera, Lucia Newman reports on efforts to protect this age-old instrument from extinction. (Sept 04, 2010)
