In 1884, the Centro de Vigilância do Comércio do Porto (Comércio do Porto Surveillance Centre), founded the Centro Commercial (Commercial Centre), until 1908 installed in the former Palace of the Count of Trindade located on what is now Praça Carlos Alberto in Porto. On the first floor the Great Hall hosted many cultural events, such as the student presentations which Ernesto Maia promoted as from 1898. A future piano teacher at the music conservatory he was considered by Michel’Angelo Lambertini as “one of the most intelligent teachers of piano and harmonium in Porto”.