20 × 20 Seconds of Sound 2015
stereophonic sound, 6:40 min
created with Iva Polanecká

Experimental performance of twenty examples of acoustic phenomena within PechaKucha Night which was focused on sound.
Performed April 28, 2015 by Iva Polanecká & Martin Marek at Public Hall Hraničář in Ústí nad Labem, Czech Republic.