Grand, majestic opera house, intricate Baroque architecture, ornate details, golden chandeliers, red velvet curtains, lavish interior design, sweeping staircases, elegant ballrooms, grand pianos, soft warm lighting, romantic ambiance, intimate atmosphere, beautiful ladies in flowing gowns, gentlemen in tailcoats, holding masks, dramatic facial expressions, 18th century European setting, warm color palette, soft focus, shallow depth of field, cinematic composition.