Opera Nova Bydgoszcz and on July 2, Offenbach's operetta "Orpheus in the Underworld". "Opera Studio" was renamed on March 3, 1959, "Musical Theatre of Opera and Operetta" (), so as to meet cultural expectations of the inhabitants of the entire Bydgoszcz Voivodeship. A year later, on March 1, 1960, the institution was nationalized. In 1963, the "Musical Theatre of Opera and Operetta" had then its own orchestra established, putting an end to the use of musicians from the Pomeranian Philharmonic. Bydgoszcz musical scene, once nationalised, changed its name several times: "Opera and Operetta" (1964), "National Opera" (1980), "Opera Nova" (1990), and from 1996,
The Mask of Orpheus as they are being remembered. An example of this process in action is the seduction of Euridice by Aristaeus. When first seen in Act I, this event is shown simultaneously in two different versions: in one, Euridice is raped by Aristaeus before dying; in the other she is not. Later, in Act II, Orpheus remembers this event, but now it is Orpheus, not Aristaeus, who is seducing Euridice before her death. Because of the complex structure of the work, it is difficult to provide a detailed synopsis. However, the opera's story might be broadly said to be as follows: Orpheus