Renovation of the auditorium in the cylindrical historic gasholder building.Perceived as a new tank defined through folding and flowing topologies, the auditorium forms an "acoustic device".The roof enhances passive acoustics through geometric sound reflectors and absorbers, oak surfaces, that form prismatic clusters.It consists of 564 pieces belonging to typologies and unique pieces, all customly designed and fabricated.Conceived as a generator of cultural experiences, the space provokes an upgraded human experience, an attractive meeting place that evokes emotion excitement and tranquility.