Dead Voices on Air is Mark Spybey's Experimental and Industrial project formed after his departure from Zoviet France. Many people classify a large portion of his works as Ambient, but Spybey insists his music is not ambient music of any sort and calls it "music for the eyes". While early works were often labeled "Ambient" by listeners,[who?] later works such as those found on Piss Frond and Frankie Pett Presents... The Happy Submarines had more structure and were often less improvisational.[citation needed] Dead Voices on Air has collaborated with artists such as Not Breathing and cEvin Key of Skinny Puppy.