''In this composition I was not searching for the conventional possibilities of the piano quintet, but for the acoustic distance between the two types of sound. The sounds of the piano are not meant to be the acoustic-harmonic support for the strings, but it is the string quartet that appears as the acoustic extension of the piano. Other times the single instruments of the quartet sound more or less independently of each other and they echo each other. Their asynchrony multiplies the sound-space...