Sin (also known as Halo 4) is Nine Inch Nails' third single, released on October 10, 1990, and final from their debut album Pretty Hate Machine. It contains three remixes of the title track as well as a Queen cover. In addition to the two CD configurations shown below, it was also released on various vinyl configurations and sizes: the US release features all tracks on 12" vinyl with red/purple artwork, while the UK had a release on 9" vinyl (excluding the Short remix) and 7" (excluding Long and Dub), both with black artwork.
A "Sin (Short)" - 4:19
A "Sin (Long)" - 5:50