Question: Which singer produced The Downward Spiral?
Sentence (from "The Downward Spiral"): "The Downward Spiral" features elements of industrial rock, techno and heavy metal music, in contrast to the band's synthpop-influenced debut album "Pretty Hate Machine" (1989), and was produced by Nine Inch Nails frontman Trent Reznor and Flood.
Relevant evidence: Yes