Depending on the style guide you've been given, you can either italicize the opera's title or include it in quotes. The key is to be consistent with your titles throughout your manuscript.
Review the entries in the link, below, and decide which one you want named. There are three entries of classical titles, any one of which may be the one you want.
There are numerous kinds, but the basic types are - Grand Opera Comic Opera Serious Opera Opera Semiseria Opera Cornique Opera Verismo Singspiel Operetta Chinese opera
The opera populaire is the opera house that is in the book/play/movie 'Phantom of the Opera'
Assuming you mean "opera buffa" then the definition would be a comedic opera, as opposed to an "opera seria," meaning "serious opera."
Depends on what format you are using. MLA underlines titles. Chicago puts them in quotes. If this is for a class find out what format your teacher or school uses.
The proper usage will be based on the specific style manual being followed. It is used for papers in some of them, others use italics or underlines.
Spell check underlines misspelled and unknown words with a red line. Grammar check underlines grammatically incorrect sentences.
Depending on the style guide you've been given, you can either italicize the opera's title or include it in quotes. The key is to be consistent with your titles throughout your manuscript.
Yes
Font style
CD or album titles are italicized in word processed documents on a computer. They are underlined when on a typewriter or on handwritten documents.
Text decorations
Font Style
<u> in HTML underlines the specified text.
DNA
What?, reword question please. I'll answer it for you.