Baroque concert house, grandiose architecture, ornate decorations, intricate carvings, gilded details, red velvet curtains, golden chandeliers, marble floors, lavish furniture, opulent interior, majestic high ceilings, sweeping staircases, dramatic lighting, spotlight on stage, richly patterned rugs, luxurious fabrics, regal atmosphere, evening concert scene, soft warm lighting, intimate setting, grand piano center stage, classical music performance, elegant audience, sophisticated ambiance.