I didn't expect acoustics to matter, yet perforation patterns, backing products

https://www.scribd.com/document/1041055982/Finials-That-Last-The-100-Year-Trajectory-of-Customized-Copper-Details-196087

I didn't expect acoustics to matter, yet opening patterns, backing products, and panel midsts in steel ceilings tame reverberation while maintaining crisp, modern-day lines.