diff --git a/CREDITS b/CREDITS
index 8ffe41c8..51c72cd7 100644
--- a/CREDITS
+++ b/CREDITS
@@ -804,6 +804,7 @@ S: Craneo
 E: memod_99@hotmail.com
 D: sprites (technospider reshade, minigunner, combat slug flash), textures
 
+S: continuum.mid
 S: northivanastan
 N: Ivan Stanton
 E: northivanastan@gmail.com
diff --git a/CREDITS-MUSIC b/CREDITS-MUSIC
index 826f85a8..256c3459 100644
--- a/CREDITS-MUSIC
+++ b/CREDITS-MUSIC
@@ -13,7 +13,7 @@ Episode 1 - Outpost Outbreak
 	E1M4: "Flood the City" by Kevin "Velvetic" Martins & Jonathan "julnen" Martins
 	E1M5: "The Raging Sun" by Kevin "Velvetic" Martins & Jonathan "julnen" Martins, modified by Goji
 	E1M6: "Oxidine" by Korp, remix of dave3d35.mid by jute
-	E1M7: "Derelict" by continuum.mid
+	E1M7: "Totally Surrounded" by Josephus "DH4050" Astartes
 	E1M8: "On the Next Day" by Kevin "Velvetic" Martins
 
 Episode 2 - Military Labs
diff --git a/musics/d_e1m7.mid b/musics/d_e1m7.mid
index a015a251..64cb2f23 100644
Binary files a/musics/d_e1m7.mid and b/musics/d_e1m7.mid differ