40 years Opus Cuatro (replay).
In 1968, four students formed an Argentinian University Choir, the men quartet ‘Opus Cuatro’. Nowadays, they are a big hit in whole South America. The voices of these Argentinian singers form a breath-taking unity. Musical perfection and harmony in a tango of Piazzolla, along with the compelling Cuban nueva trova! Opus Cuatro has performed in over 34 countries, gave 7000 concerts and are still active. In 2002, they received the Premio Carlos Gardel, the Argentinian Edison, for the best tango CD. Rig Mutschler manages a Dutch website with a lot of about all of the aspects of the Argentinian tango and folklore.