Rescue opera tradition that would influence German Romantic opera and French grand opera. The most famous rescue opera is Ludwig van Beethoven's "Fidelio". "Rescue opera" was not a contemporary term. Dyneley Hussey used the term in English in 1927 as a translation of Karl M. Klob's 1913 reference to "Fidelio" as "das sogenannte Rettungs- oder Befreiungsstück" in "Die Oper von Gluck bis Wagner". David Charlton believes that rescue opera is not an authentic genre, and that the concept was coined to make what he believes is a nonexistent connection between Beethoven's work and French opera. Patrick J. Smith, on the other hand,
Fidelio he must be killed and buried within the hour. Fidelio is shaken; Rocco tries to discourage Fidelio from coming, but Fidelio insists. As they prepare to leave, Jaquino and Marzelline rush in and tell Rocco to run, as Pizarro has learned that the prisoners were allowed to roam, and is furious ("Ach, Vater, Vater, eilt!"—"O, father, father, hurry!"). Before they can leave, Pizarro enters and demands an explanation. Rocco, thinking quickly, answers that the prisoners were given a little freedom in honor of the Spanish king's name day, and quietly suggests that Pizarro should save his anger for the prisoner