Lanark Artefax hosted a guest show on 13 December 2017. Lanark Artefax has been played on NTS over 170 times, featured on 165 episodes and was first played on 15 September 2015.

Lanark Artefax is the moniker of Glaswegian producer Calum MacRae, who made waves with his Glasz EP on Lee Gamble's UIQ label, featuring scattered electronica and fractured techno coalescing into a cold, glorious whirlwind.