All 3 Uses

opera
in
The Princess Diaries
(Auto-generated)

Once, the opera came to Iceland, and every show was sold out and something like 98 percent of the population attended.†
Chpt 1 *

opera = a musical play with orchestra in which most of the dialogue is sung (or the art form that consists of such musicals; or describing something as related to that art form)
Everybody knew all the words to the opera and went around singing it all day.†
Chpt 1
I would think if the opera went there, about 80 percent of the population would attend, which would certainly be something to be proud of.†
Chpt 1

Definitions:

(1) (opera)
a form of musical theater with orchestra in which most of the words are sung, often in a classical style and sometimes in a foreign language
(2) (meaning too rare to warrant focus)
Less commonly, the expression, soap opera, refers to a television or radio program that typically runs for many years and dramatizes the lives of a group of characters.