Johanna Hedva has been played on NTS shows including NTS 10 Curated by Laurie Anderson, with Mary (God Is An Asphyxiating Black Sauce) first played on 22 April 2021.

Hag blues, cave music, crone keening, mystical doom, intimate metal, moon hymns. Informed by Korean shamanist ritual and the P'ansori tradition, which demands rehearsal next to waterfalls, in order to ravage the vocal cords.