1 Stp Klosr is the second to last song on Linkin Park's 2002 album Reanimation. It is remixed by the Humble Brothers, and featured additional vocals by Korn frontman Jonathan Davis. The song is a remix of the Hybrid Theory hit single One Step Closer.

The instrumentals are mostly changed around except for the bridge and final chorus. Chester's vocals remain intact except there are no choruses until the very end. The intro is very long; the vocals start at about 1:48.

This reanimated version is performed live and featured on LP Underground v4.0.