Hallucination Engine is a 1994 album by the New York based music group Material. The album mixes jazz, dub, funk and Indian music. "Mantra" was issued as a 12" and CD single in 1993 (Axiom / Island, AXMCD1) featuring a 17-minute "Praying Mantra Mix" by The Orb, the album's "Doors of Perception Mix", and a 5-minute edit. A Tetsu Inoue mix of "Ruins" was included on the Axiom Ambient: Lost in the Translation album. William S. Burroughs reading of "Words of Advice for Young People" had appeared on his 1993 album Spare Ass Annie and other Tales (The Operator's Manual).