"It will be rather sad music. It will also probably be one of my most beautiful and deepest works. I've been thinking a lot about music, and life, but particularly about music because it's only in thinking about music, and about sound, that I can be happy. [...] This piece I'm doing is an important bridge to cross before beginning the opera, technical work, obviously, a rediscovery (A) of counterpoint (B) of more dramatic musical time, closer to speech, with atomic elements of different kinds."