The relationship between strings and woodwinds firmly established, the question Ivo asks himself is what happens if a brass instrument comes in. Ivo says: "When I have the question like that, the only way to answer is to book a studio time and go for it. " This is how Perelman works: a sonic scientist who launches experiments with the barest of theses. He doesn't draw up plans for a studio session, he doesn't write out lead sheets, there are no rehearsals or discussions. He just gets in front of the mic and starts to blows. From there, everything happens for the first time.