Changes

Available on a promotional-only "special DJ edit" UK vinyl pressing. It was also widely circulated on the ''Demos & Remixes'' [[bootlegs|bootleg]].

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A demo for "Sin" does exist, but it has only leaked in short clips on the internetbefore leaking in full in 2025. It exists The leak stated: "this demo from 1987 was included on a cassette tape handed out tapes distributed by Reznor to important figuresbefore securing a record deal."  Per the clips that had leaked earlier, there is an alternate version of this demo that uses the same instrumental but a different vocal take. This Based on what fans have heard, this is the version that is on a cassette is also in the possession of [[Martin Atkins]], who has allowed fans to hear excerptsplaybacks.

The song's intro seems to be performed differently by every [[NIN]] keyboardist. For example, [[Danny Lohner]] in the [[Woodstock '94]] performance is seen playing an additional melody to the intro. During the [[Fragility]] tour, [[Charlie Clouser]] used a theremin before the guitar intro is played, while [[Alessandro Cortini]]'s performance of the intro is a tad closer to the original.  Other than that, the rest of the song is performed closely to the album version in most live performances, though when [[Jeordie White]] played the song, he played its harmonic progression on bass guitar rather than the keyboards used in most other live arrangements.  The persistent high-pitched percussion loop from the "Long", "Short" and "Dub" mixes is also usually present in the live iterations. It was performed semi-regularly as a remixed/mash-up version in collaboration with [[Boys Noize]] on Act III of the [[Peel It Back Tour]], using Boys Noize's song "Cerebral" as the base, usually being the final song for Act III.

The video was banned from MTV and most major outlets. It remained unreleased in any official capacity until a partial version of the video was included on ''Closure.'' There were reports that the complete video was shown at dance clubs in the early 1990s and can now be found on the internet, as the full video became available through [[TVT Records|TVT]]'s website.[https://www.theninhotline.com/news/permalink/1004906701] [http://web.archive.org/web/20020311020744/http://www.tvtrecords.com/artists/select-video.jsp?art_id=110] The officially released version was incomplete was due to interference from [[TVT Records]].[http://nindestruct.com/mags/HitParaderSept94.html]

*[httphttps://vimeo.com/3609548 "Sin" music video (incomplete; NSFW)]