Another recording of formation named SO-36 captures the work of three music authors. Eric Rothenstein, Vladislav Šarišský and Juraj Jakabčic and their reflection on the events of 1989 in former Czechoslovakia. The project was originally conceived as a concert for the 30th anniversary of Velvet revolution, which was also realized on this date. Composition named “Formal Division” (with its original designation “Formal Division – for Septet and Ping-pong player), also included a part for an athlete. His challenge at the premiere was the task of performing flawless service into the open grand piano, so that it is bounced and well the rotated ball made as many clean bounces as possible from the piano strings and thus revealed the Lords will – or coincidences. In some sense it initiates the idea of ​​indeterminism, known in circles around J. Cage and his philosophical approach in some compositions.