Ivana Stefanović - The Epistle of Birds (1976).

Ivana Stefanović - Poslanica Ptica Opus 2. Radiophonic experiment, carried out in the studio of Radio Belgrade. Co-author Marian Radojčić and Predrag Knezevic. First broadcast: 06/19/1974. 7inch record published by Russian state label Melodyia in 1976