I really did not anticipate acoustics to matter, yet opening patterns, backing materials

https://foxtrot-wiki.win/index.php/Cupolas_that_Maintain_Their_Assurance:_A_Century_in_Copper_Craft

I really did not anticipate acoustics to matter, yet opening patterns, backing materials, and panel midsts in metal ceilings tame reverberation while maintaining crisp, modern-day lines.