Written by James Hetfield, Lars Ulrich, and Kirk Hammett, the song is deeply personal, rooted in Hetfield’s childhood trauma and the strict religious upbringing that often left him feeling isolated.

The music video for directed by Matt Mahurin , is a haunting cinematic representation of one of Metallica's most vulnerable tracks. Premiering on November 19, 1991, the video visually captures the song’s themes of isolation, lifelong struggle, and the loss of self to societal expectations. Narrative and Visual Themes

: Throughout his life, his only possession is a single key, which he finally deposits through the window he succeeds in creating just before he dies.

: While the standard video is roughly six minutes, an 11:33 "theatrical version" exists, featuring several minutes of introductory scenes that further flesh out the timeline. Lyrical and Musical Context

: The haunting horn-like intro was actually a reversed and altered sample from a Western movie score—rumored to be from For a Few Dollars More —to avoid copyright issues.