The Music House (Casa da Música), in Porto, Portugal, designed by the architect Rem Koolhaas, is one of the largest and most emblematic buildings in the city. Inaugurated in 2005, it has a main concert hall, a rehearsal hall, a recording studio, a music library, a record store, a restaurant, and a café. Its innovative design and extensive cultural and educational offerings make it a cultural landmark in Europe and contribute to the cultural and social development of the city.