In Machine Mourning, an interactive sonic-focused experience, based on sound datasets trained with the artists' own voices, Arwina Afsharnejad and Daria Kozlova critically examine the entanglement between internet culture, pop music, digital media, military technologies, surveillance apparatus and audio data extractivism. The sci-fi plot of Machine Mourning unfolds at the opera premiere staged in the immersive digital environment simulating a melting glacier. Investigating the silent violence of extractive listening, Arwina and Daria attempt to raise concerns about the shift from comprehension to operation and explore its implications for the subjectivity of human and non-human agents.