Changes

[[Image:Zerosum_fringe_spectro.png|thumb|Spectrograph image of "Zero-Sum " (Fringe version) from promo video]]

"Zero-Sum" was played in part during the [[Lights In The Sky Tour]] in 2008. During the extended ending of "[[In This Twilight]]"," Reznor performs performed the chorus melody and accompaniment of "Zero-Sum" on piano as the band members exit exited one by one. It was also played as a snippet during the [[Peel It Back Tour]] in 2025. This song [[NIN songs never played live|was has never been played in its entirety]].