The Gams in the Reflections (Игры в отражениях)

Tell God about your plans and he will laugh at them. Whole life is just distorted reflections of our aspirations and dreams.

    I. The pianist determines himself, with the help of drawing the lots, the order in which he or she is going to perform the 5 blocks.
    II. Other musicians determine by lots the order in which they will improvise on the pianist's block preceding them.
    III. Each of the 4 musicians (except for the last one) performs his improvisation twice: after his block and before the coda together with everyone.
    IV. Improvisations may be both prepared and spontaneous, however, the order of blocks and improvisations should not be known in advance.