|200px|Halo 1: ''Down In It'' <br />[http://www.amazon.com/gp/redirect.html?ie=UTF8&location=http%3A%2F%2Fwww.amazon.com%2Fs%3Fie%3DUTF8%26x%3D0%26ref_%3Dnb%5Fsb%5Fnoss%26y%3D0%26field-keywords%3Dnine%2520inch%2520nails%2520down%2520in%2520it%26url%3Dsearch-alias%253Daps&tag=thniinnawi-20&linkCode=ur2&camp=1789&creative=390957 Find on Amazon] - [http://rover.ebay.com/rover/1/711-53200-19255-0/1?icep_ff3=9&pub=5574848848&toolid=10001&campid=5336384580&customid=&icep_uq=nine+inch+nails+down+in+it&icep_sellerId=&icep_ex_kw=&icep_sortBy=12&icep_catId=&icep_minPrice=&icep_maxPrice=&ipn=psmain&icep_vectorid=229466&kwid=902099&mtid=824&kw=lg Find on eBay]]]
'''''Down In It''''' (also known as '''''[[Halo numbers|Halo 1]]''''') is the first single by [[Nine Inch Nails]]. It was released on September 27, 1989 by [[TVT Records]] in the US, and in November 1990 in the UK. It was released as a teaser single prior to Nine Inch Nails' debut album, ''[[Pretty Hate Machine]],'' and contains two [[Remixes|remixes]] of the track. Initially released only on 12" Vinyl, a CD version was later created after the success of the album. The first track on this single is the mix that is found on ''Pretty Hate Machine.''