Graciela Rivera year she made her operatic debut as Rosina in "The Barber of Seville" by Gioachino Rossini at the New Orleans Opera. In December 1951, she became the first Puerto Rican to sing a lead role at the New York Metropolitan Opera as Lucia in the production of Lucia di Lammermoor. She earned accolades for her performance from critics around the world. In 1953, Rivera was proclaimed "Citizen of the Year" by the City of New York. In 1954 Rivera was featured as a guest singer in Name That Tune, and later that year, at an instance of Your Show of
Gioachino Rossini Sterbini and not the same as that already used by Giovanni Paisiello in his own "Barbiere", an opera which had enjoyed European popularity for more than a quarter of a century. Much is made of how quickly Rossini's opera was written, scholarship generally agreeing upon two or three weeks. Later in life, Rossini claimed to have written the opera in only twelve days. It was a colossal failure when it premiered as "Almaviva"; Paisiello's admirers were extremely indignant, sabotaging the production by whistling and shouting during the entire first act. However, not long after the second performance, the opera became