Elegant Art Nouveau auditorium, ornate plasterwork, sweeping curves, organic motifs, luxurious textiles, rich wood tones, velvet drapes, gilded accents, intricate moldings, acoustic panels, sound-absorbing materials, diffusers, bass traps, reverberation control, warm ambient lighting, soft focus, shallow depth of field, 2/3 composition, symmetrical framing, realistic reflections, subtle color grading.