Luxurious concert hall, rich wood paneling, sound-absorbing materials, plush velvet curtains, tiered seating, grand piano, orchestral stage, dramatic lighting design, warm golden ambiance, subtle echo, optimized reverberation time, 3D audio simulation, immersive sound experience, state-of-the-art audio equipment, acoustic diffusers, soundproofing insulation, elegant chandeliers, refined architectural details.