Jacek Jackowski “The modern methods of preservation, scholarly edition, providing access toand developing the Phonographic Collections of the Institute Of Art of the Polish Academy of Sciences” in “Muzyka” Anna Rutkowska “Ethics and aesthetics of sound reconstruction” in „Muzyka” Piotr Grochowski “Etnofon. How to make folk music recordings available? A conversation between Jacek Jackowski and Piotr Grochowski” in “Literatura Ludowa. Journal of Folklore and Popular Culture”