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,
Orpheus poem are quoted making it "the most important new piece of evidence about Greek philosophy and religion to come to light since the Renaissance". The papyrus dates to around 340 BC, during the reign of Philip II of Macedon, making it Europe's oldest surviving manuscript. The historian William Mitford wrote in 1784 that the very earliest form of a higher and more cohesive ancient Greek religion was manifest in the Orphic poems. W. K. C. Guthrie wrote that Orpheus was the founder of mystery religions and the first to reveal to men the meanings of the initiation rites. The Orpheus