Lights_out_instrumental -

In a military context, "putting the lights out" is an instruction for cadets to sleep. Here, it figuratively represents Commander Erwin Smith leading his recruits to their "final slumber" during their desperate suicide charge.

The song is played during the sequence leading up to the Survey Corps' charge against the Beast Titan. The imagery of recruits firing signal flares—briefly lighting the sky before they are snuffed out—mirrors the theme of life ending. lights_out_instrumental

The phrase "light out" can also mean to set off hastily or escape, reflecting the recruits' charge as an escape from the terror of their situation into the finality of their mission. Musical Role in the Series In a military context, "putting the lights out"

The title "Lights Out" serves as a multifaceted allusion to the narrative events: In a military context

While often associated with the iconic charge itself, the track specifically builds the tension and emotional weight before the recruits face their fate.