The documentary rescues the history of the first symphonic theater in Brazil, home of the Symphony Orchestra of the State of São Paulo (Osesp), considered one of the best concert halls in the world. Going back in time, from the construction of the Júlio Prestes Station in 1926, through the renovation that transformed the winter garden of the season in the Sala São Paulo, to the 25th anniversary of the concert hall - inaugurated on July 9, 1999. That night, Osesp performed Gustav Mahler's Second Symphony in C Minor, the same work of the commemorative spectacle in July 2025.
