Listen to Jóhannsson: Moral Vacuums online. Jóhannsson: Moral Vacuums is an Unknown language song and is sung by Jóhann Jóhannsson, Theatre of Voices, Paul Hillier and American Contemporary Music Ensemble. Jóhannsson: Moral Vacuums, from the album 舒活古典, was released in the year 2023. The duration of the song is 5:06. Download Unknown songs online from JioSaavn.