Answer:
The novel I am imagining is set in 19th century England. The setting I have chosen is a grand ballroom in a wealthy estate.
The ballroom should be spacious and elegantly decorated, with high ceilings and large windows that allow plenty of natural light to enter the room. The walls should be covered in ornate molding and the floor should be made of gleaming hardwood. The center of the room should be dominated by a large chandelier, made of sparkling crystal, that illuminates the space with a warm glow.
A grand staircase should lead down from a balcony that overlooks the ballroom, with a landing that serves as a stage for musical performances. The stage should be surrounded by plush velvet curtains, and the walls should be adorned with paintings and tapestries that depict scenes from classical mythology. The ballroom should be filled with elegant furnishings, such as plush sofas, ornate armchairs, and polished wooden tables, that provide comfortable seating for guests.
Throughout the room, guests should be dressed in elaborate ball gowns and suits, with the ladies wearing corsets and hoopskirts, and the gentlemen sporting top hats and tailcoats. The sound of a string quartet should fill the air, playing classical pieces that set the mood for the evening's festivities. Overall, the setting should evoke the opulence and grandeur of 19th century England, creating a historically accurate and immersive experience for the audience.