All 3 Uses

opera
in
Where the Crawdads Sing
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All the while the soaring, sweet opera lifted higher into the sky.†
p. 47.2

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)
His dad had told him many times that the definition of a real man is one who cries without shame, reads poetry with his heart, feels opera in his soul, and does what's necessary to defend a woman.†
p. 48.7
Tate remembered his dad's definition of a man: one who can cry freely, feel poetry and opera in his heart, and do whatever it takes to defend a woman.†
p. 356.9 *

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.