[[Image:Nin heavy cover.jpg|thumb|200px|''The Definitive NIN - Heavy Tracks'' front artwork]]
'''''The Definitive NIN - Heavy Tracks''''', is the fourth part of "[[The Definitive NIN]]", a previously three-part collection of [[Nine Inch Nails]]' greatest hits. It was released in 2009 via the nin:access iPhone app and the "Listen" section of [[nin.com]]. It is the only release of "The Definitive NIN" to not receive a seed number.
The collection contains this info:<br>
:"A compilation album featuring 23 of NIN's harder and heavier songs."
The track listing was altered when it was added to the official NIN SoundCloud account. Front cover Cover art was also added to the SoundCloud version.
==Track Listings==
#"[[The Line Begins To Blur]]"
# "Survivalism"
# "All March Of The Pigs, All Lined Up"
# "Wish"
# "Starfuckers, Inc."