Monsignor Lorenzo Perosi was an Italian composer of sacred music and the only member of the Giovane Scuola who did not write opera. In the late 1890s, while he was still only in his twenties, Perosi was an internationally celebrated composer of sacred music, especially large-scale oratorios. Nobel Prize winner Romain Rolland wrote, "It's not easy to give you an exact idea of how popular Lorenzo Perosi is in his native country." Perosi's fame was not restricted to Europe. A 19 March 1899 New York Times article entitled "The Genius of Don Perosi" began, "The great and ever-increasing success which has greeted the four new oratorios of Don Lorenzo Perosi has placed this young priest-composer on a pedestal of fame which can only be compared with that which has been accorded of late years to the idolized Pietro Mascagni by his fellow-countrymen." Gianandrea Gavazzeni made the same comparison: "The sudden clamors of applause, at the end of the [19th] century, were just like those a decade earlier for Mascagni." Perosi worked for five Popes, including Pope Pius X who greatly fostered his rise.

Pope Pius X was head of the Catholic Church from 4 August 1903 to his death in August 1914. Pius X is known for vigorously opposing modernist interpretations of Catholic doctrine, and for promoting liturgical reforms and scholastic theology. He initiated the preparation of the 1917 Code of Canon Law, the first comprehensive and systemic work of its kind. He is venerated as a saint in the Catholic Church. The Society of Saint Pius X, a traditionalist Catholic fraternity formed decades after his death, is named after him.