A few years ago I was asked by Polish artist Kasia Krakowiak to answer a questionnaire for her event Słuchawy (Metaphones), which was part of a cycle of events in Warsaw under the title of Ekspektatywa (Expectative). The questionnaire dealt with issues of the aural qualities of sound wave phenomenon and the possibility of their existence against the lapse of time.
You can read the interview here.
Other interviewees in this event include
The book and website were published by Fundacja Bęc Zmiana.