|This article is written from the Real Life point of view|
Sector 5 (ARC) Low-Temperature Zone Area (セクター5（ARC）低温地帯エリア) is the theme that plays in the Sector 5 area of Metroid Fusion. It is a slow, eerie theme with MIDI notes that resemble chimes. While quite repetitive, the theme evokes a feeling appropriate for the cold environments of Sector 5. The theme stops playing after Nightmare breaks free from containment. It was composed by Minako Hamano and/or Akira Fujiwara.
The theme can be heard here: .