In the context of the first recording of Pierre Boulez’s Antiphonie. Florent Boffard has assembled three composers’ varying approaches to the emblematic musical form of the ‘sonata! A robust structure in Beethoven, it becomes an open. multiple form in its confrontation with Boulezian modernitv. The juxtaposition of these three universes emphasizes the timeless power of the musical utterance when genius imposes its style.