The debt-relief measure, championed by the White House, charity groups and religious and cultural figures from Pope John Paul II to singer Bono of the rock band U2, allows the United States to pay its share under the global Heavily Indebted Poor Countries (HIPC) initiative to forgive the debts of some 30 Third World countries.
This performance was also a reunion for those players who were part of Los Guachos, the compact big band with whom Klein made the critically acclaimed studio albums Los Guachos II and Los Guachos III (the first volume remains unreleased).