Cavalleria rusticana on stage. They were invited to submit a one-act opera which would be judged by a jury of five prominent Italian critics and composers. The best three would be staged in Rome at Sonzogno's expense. Mascagni heard about the competition only two months before the closing date and asked his friend Giovanni Targioni-Tozzetti, a poet and professor of literature at the Italian Royal Naval Academy in Livorno, to provide a libretto. Targioni-Tozzetti chose "Cavalleria rusticana", a popular short story (and play) by Giovanni Verga, as the basis for the opera. He and his colleague Guido Menasci set about composing the
Edmonton Opera with them. After a number of successful productions, the group changed its name to the Edmonton Professional Opera Association, with David Ker as the first president and Letourneau as the music director. "Professional" was dropped from the company’s name in August 1966, as the then-artistic director, Irving Guttman, argued that it should be obvious to all if a company is professional. The first season, 1963/64, featured two productions: "Madama Butterfly" in October 1963, and "Cavalleria Rusticana" and "Pagliacci" in April 1964. In 1966, Letourneau convinced Guttman, then at the Vancouver Opera, to come to Edmonton. The artistic director from 1966