This is a photograph of Casa da Musica. This modern building is designed by the famous architect Rem Koolhaas.The Casa da Música (literally the House of Music) is a Portuguese concert hall in the municipality of Porto, in northern Portugal. It houses the cultural institution Fundação Casa da Música, and three orchestras: Orquestra Nacional do Porto (Porto National Orchestra), Orquestra Barroca (Baroque Orchestra) and Remix Ensemble.