Intervention in the Ex-Convent of San Jerónimo (1) to turn it into an auditorium that meets all the  international audio quality standards for liturgical and chamber music. This is achieved by leveraging the inner volume geometry and by adding a structure that functions as a prosthesis made of steel, which is introduced as supporting element for the new functions, together with a series of transparent panels that carry the sound through the space and let the materiality of the original building be appreciated. This is a reversible intervention that allows the building to be returned to its original function.