Mark Spybey is currently working under the monikers of Dead Voices on Air and Propeller. Mark is a former member of the influential British band Zoviet France and the much-talked about industrial act Download (along with cEvin Key of Skinny Puppy). He had also collaborated with many seminal artists and bands such as Jarboe, CAN, Not Breathing, James Plotkin, Pigface and Legendary Pink Dots, The. He also collaborated with Mick Harris and Ambre on the Threesome series.