''The following discography is Reznor's work outside of Nine Inch Nails, in chronological order. For the complete Nine Inch Nails discography see the [[Halo numbers]] page''
===1983===
*Provided keyboards, vocals on tour and in studio with [[Option 30]]. The (the studio album ''Option 30'' was later released in 1997.)
===1984===
*Provided keyboards, vocals on tour for [[The Urge]]
===1985===
*''Livin In The Streets'' , [[The Innocent]] (keyboards) ; also provided keyboards on tour
===1986===
*''L'oiseau'' , [[Exotic Birds]] (keyboards, backing vocals, programming) ; also provided keyboards and vocals on tour
===1987===
*Appeared in the film ''[[wp:Light Of Day|Light Of Day]]'' as a member of "The Problems" (played by Exotic Birds)[http://www.youtube.com/watch?v=gM0MmNjy97s]
===1988===
*''White Lies/Cry Like A Baby'' , [[Slam Bamboo]] (keyboards) ; also provided keyboards on tour
*''Communiqué,'' [[Lucky Pierre]] (Saxophone and vocals, "Communiqué"; vocals, "I Need To Get To Know (Other People)")
===1989===
===1991===
*''Cautiøn Dø Nøt Play,'' Crunch-O-Matic (Album programming)
*''Beers, Steers & Queers (Remixes)'' , Revolting Cocks, (credited as "additional cock" for "Stainless Steel Providers (live)" and "Public Image (live)" )
*''Gub,'' [[Pigface]] (Loop programming; writing; vocals, "[[Suck]]")
*Provided vocals on tour with Pigface