The first known in the history of Venezuelan music opera: Virginia. Written by Master José Ángel Montero, was premiered in 1873 during the Government of Antonio Guzmán Blanco, and despite having won a well-deserved place of honor, falls into a deep sleep until the 1970s, when teacher cousin Casales receives from Rházes Hermández López the forgotten work. Thereafter, the Casales master carefully resetting the score and presents it in the Municipal Theater of Caracas in 1969 with Fedora German in the starring role. After this successful performance work was forgotten until 1993, when a digital reprint of the 69 recording is made.