It should be noted that mood in a literary work simply means the atmosphere that's contained in the narrative or music.
Your information is incomplete as the musical isn't given. A mood simply means the atmosphere of the narrative. It's created by means of the setting.
In this case, it's important to understand the music and the general mood that is displayed by most of the men in Congress. This can be gloomy, exciting, humorous, etc.
Learn more about mood on:
https://brainly.com/question/760210
