Mariusz Gradowskiis is Assistant Professor at the University of Warsaw, Poland. He has published articles on the reception of rock and roll styles and genres in Polish musical culture, history of rock, history of Polish jazz, theory of film music and anthropology of music. He is also a radio journalist, hosting programmes on film music and history of jazz standards on Polish Radio Channel 2. Ewa Mazierska is Professor of Film Studies at the University of Central Lancashire, UK. She has published over twenty monographs and edited collections on film and popular music, including Contemporary Cinema and Neoliberal Ideology (co-edited with Lars Kristensen, 2018), Sounds Northern: Popular Music, Culture and Place in England’s North (2018), Popular Music in Eastern Europe: Breaking the Cold War Paradigm (2016) and Relocating Popular Music (co-edited with Georgina Gregory, 2015). Mazierska's work has been translated into over twenty languages. She is also principal editor of Studies in Eastern European Cinema.