Steven Holl Architects and Architecture Acts has won an international competition for the design of a concert hall in Ostrava, Czech Republic. Chosen by six of the seven-person jury, the new 1,300-seat concert hall is situated next to the existing House of Culture, and is designed as “a perfect acoustic instrument in its case.”
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Steven Holl's Czech Concert Hall is an "Instrument in its Case"
https://www.archdaily.com/920819/steven-holls-czech-concert-hall-is-an-instrument-in-its-caseNiall Patrick Walsh