Probably two members of the group Ürenä Üzā met in the piano elevator on the way to the 12th floor of the Monochord hotel hidden in the slopes of the Little Carpathians near the village of Lower Bows in the winter of 2019 under circumstances that are still interpreted differently. An exothermic chemical reaction created a duo, from which music was precipitated as a by-product, which was captured at the bottom of the test tube and, after filtering, mixed with the water at Vodárenská. The compound causes no harm to the environment and is PH neutral.
