Zaumne hosted a guest show on 21 December 2024. Zaumne has been played over 50 times on NTS, first on 2 February 2018. Zaumne's music has been featured on 47 episodes.

Zaumne is the moniker of Polish sound artist and musician Mateusz Olszewski. Blending elements from ambient, dub, minimalism, field recordings and spoken word samples, he creates work with deep emotional focus and impact. He describes his work as a "emo dub".