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}}'''"Non-Entity"''' is a song ''[[With Teeth (halo)|With Teeth]]'' b-side that [[Trent Reznor]] debuted on the MTV program ReactNOW! in an effort to support people displaced by Hurricane Katrina in August of 2005.

This song was first played in the aforementioned program, and later became part of the set list in on the [[Live: With Teeth]] tours. The tours also included "[[Not So Pretty Now]]," another song from the ''[[With Teeth (halo)|With Teeth]]'' outtakesouttake. During a chat with fans in the official NIN fan club, [[The Spiral]], Reznor stated that these songs were outtakes from the ''With Teeth ''sessions, and studio recordings of them might one day surface. A live recording of "Non-Entity" appears on ''[[Beside You In Time (halo)|Beside You In Time]].''

This studio-recorded version finally saw the light of day on March 20, 2009, when it was included on the ''NINJA 2009 Summer Tour Sampler'' EP. Slow and groove-oriented, its instrumentation is simple, maintaining use of live drums, bass, guitar and vocals. It features a prominent whine similar to the one used in "[[Home]]," and is structured much like "[[The Line Begins To Blur]]," though Reznor does not yell during the verses. Its original recording dates back to the ''With Teeth'' sessions, as this was the only time Dave Grohl recorded drum tracks for the band.

Performed at the ReactNOW! benefit, this was the first version of the song to be publicly performed. It features Reznor on piano and vocals with a drum machinebacking him. It was made available for purchase as an encrypted WMA download with proceeds going toward charities aiding those affected by Hurricane Katrina.