Sector 1 is a song in Metroid Fusion. It is played during the cutscene that plays at the beginning of the game and in Sector 1. A remix of it is played on the Frigate Orpheon stage and while fighting the two dark versions of Samus in the second Research Facility stage in the Subspace Emissary in Super Smash Bros. Brawl. This article is a . You can help My English Wiki by expanding it.