Apprentice Destroyer has been played on NTS shows including Black Impulse, with Chrome Temple first played on 4 March 2017.

Apprentice Destroyer is a solo project of Steve Peacock, a San Francisco-based musician better known by his metal alias, Ephemeral Domignostika, under which he fronts black metal band Pale Chalice, in addition to other solo projects such as Mastery and Pandiscordian Necrogenesis. As Apprentice Destroyer, he creates Krautrock-influenced instrumental rock with cascading keyboards and intricate guitar patterns. Glass Ceiling Universe, his debut album under the moniker, was recorded entirely at a branch of musical instrument retailer Guitar Center, and released by Castle Face in 2015.