The answer would easily be in the thousands, and more are being written constantly. The number of operas that receive performances with any frequency is much less, probably a few hundred, not counting those that are revived only occasionally for historical or musical interest. There's no real way of knowing the answer to this question.
No. Operas have been written in virtually every language.
Many operas have been adapted for this instrument. Notably, however, the Phantom of the Opera features an organ written into the score.
It is not possible to know. Hundreds, at least.
Operas have been written in most all languages on Earth, primarily the European, Asian and English languages.
French, German, Portuguese for example.
There have been a few operas that have been written in English, but the majority by far of them have been written in other languages, most notably Italian.
Whether is operas are great is a matter of personal taste. However, he has written many operas that are very well known, including "Tannhauser", "Lohengrin" and "Die Walkure".
Paul England has written: 'Favorite operas by Italian and French composers' -- subject(s): Operas, Stories, plots 'Fifty favorite operas' -- subject(s): Operas, Stories, plots
The COC or Canadian Opera Company has staged many operas and have a long list of upcoming events. Some operas that have been performed are Salome and Hercules. Upcoming operas include Don Quichotte and La Boheme. More upcoming operas can be viewed on the COC website.
Operas can be written in any language, but most great western operas are in Italian, German, or French, though there are some great English and Russian works. Those five languages should cover the most common opera repertoire, but lots of contemporary operas are being written in less common languages, even Klingon and Esperanto, or even a mix of languages.
W. S. Gilbert has written: 'The Savoy operas' -- subject(s): Librettos, Operas
A. Goring Thomas has written: 'Esmeralda' -- subject(s): Librettos, Operas 'Esmeralda' -- subject(s): Librettos, Operas 'Nadeshda' -- subject(s): Librettos, Operas