Il trovatore, "The troubadour" opera in Italian in four acts - Verdi, Giuseppe 1813-1901 (Opera Journeys, 2010)
Title from PDF title page (viewed Jan. 26, 2011). - "Complete libretto with music highlight examples"--PDF cover. - "Libretto by Salvatore Cammarano after El trovador (1836), a tragedy by the Spanish playwright Antonio García Gutiérrez. (The final libretto was completed by Emanuele Bardare after Cammarano's premature death.).". - "Premiere: Teatro Apollo, Rome, 1853."