Elegant auditorium, ornate Art Nouveau interiors, curved wooden panels, intricate metalwork, grand chandeliers, plush red velvet seats, acoustic treatment walls, sound-absorbing materials, diffusers, bass traps, reverberation chambers, warm golden lighting, richly patterned carpets, opulent drapery, sweeping archways, organic shapes, luxurious textiles, subtle color palette, soft ambient illumination, shallow depth of field, 1/1 composition, realistic reflections.