Premiering at the twilight of the gauchesco era and the dawn of Argentine musical Modernism, El matrero (1929) by Felipe Boero (1884-1958) remains underexplored in terms of its social milieu and artistic heritage. Instantly hailed as a masterpiece, the work retains a place in the local repertory, though it has never been performed internationally. The opera draws on myths of the gaucho and takes further inspiration from the energized intellectual environment surrounding the one-hundred-year anniversary of Argentine Independence. The most influential writers of the Centenary were Leopoldo Lugones (1874-1938), Ricardo Rojas (1882-1957), and Manuel Gálvez (1882-1962). Their times were marked by contradictions: xenophobia and the desire for foreign approbation; pride in an imaginary, "barbaric" yet noble ideal wiped out by the "civilizing" ambitions of revered nineteenth-century leaders. Krausism, a system of ideas following the teachings of Karl Friedrich Krause (1781-1832), had an impact on the period as exhibited in the political philosophy of Hipólito Yrigoyen (1852-1933), who served as president from 1916 to 1922 and 1928 to 1930 when he was deposed by a right-wing coup d'état. Uncritical applications of traditional understandings of nationalism have had a negative impact on Latin American music scholarship. A distillation of scholarly conceptions of …