Grandiose concert hall, high ceilings, ornate chandeliers, stained glass windows, dark wood paneling, crimson velvet curtains, intricate stone carvings, pointed arches, ribbed vaults, flying buttresses, dim warm lighting, atmospheric fog, eerie shadows, Gothic architectural details, reverberant acoustics, sound-reflective surfaces, diffused audio waves, resonant frequencies, echoey ambiance, intimate performance spaces, raised stages, ornate balconies, dramatic spotlights.