Alina Mleczko saxophone, performance
Olga Mleczko, Marta Parzychowska, Anna Stela performers
Jakub Kowalczyk narrator
Amadeusz Nosal script, direction and video
Alicja Tkaczyk costumes and set design
Michał Drzewek Polish Sign Language (PJM) interpretation
Rafał Ryterski tape realization
Hubert Polański composer's assistant
Krzysztof Kazimierczak sound projection
Łukasz Rejt ornithological consultant
 
Rafał Ryterski They Have a Language of Their Own! (2026)** video performance / audio drama  
(Warsaw Autumn and the Music Is for Everyone Foundation commission)
 
 
Organisers: Polish Composers’ Union and Music Is for Everyone Foundation.
Event partners: Muranów Cinema, 13. MFF TAURON Młode Horyzonty, Polish Royal Opera, MDK Łazienkowska.
The video performance and audio drama They Have a Language of Their Own! received support from the Minister of Culture and National Heritage as part of the Music Is for Everyone Foundation’s project of the same title, under the Polish Institute of Linguistic Diversity’s “Polish: The Wealth of Diversity” grant programme.
The video footage was partially shot in the historic garden of the Royal Łazienki Museum in Warsaw. 

** first performance