Słowa kluczowe: Maria Szymanowska, nocturne, John Field, variation technique, programme music, Aleksander Zarzycki, Polish music of the 19th century, piano works, solo songs, Mieczysław Wajnberg, borderland, identity, Krzysztof Zajas, animation in Central and Eastern Europe, musical representations of the past, music in animated films, music digitisation, ethnomusicology, musical folklore, Adolf Dygacz, memory studies, Henryk Mikołaj Górecki, 20th-century music, chamber music, Polish music, composition techniques, Aria operatic stage, Concerto for Five Instruments and String Quartet, Quartettino, Muzyczka IV, audiovisuality, Simon Steen-Andersen, Black Box Music, musical object