diff --git a/CREDITS-MUSIC b/CREDITS-MUSIC
index 69b7bd3c..7d4fd88f 100644
--- a/CREDITS-MUSIC
+++ b/CREDITS-MUSIC
@@ -20,10 +20,10 @@ Episode 2 - Military Labs
 	E2M1: "Moonstone" by Korp
 	E2M2: "Voidgaze" by Korp
 	E2M3: "Reminiscence" by Korp
-	E2M4: "Concept of Technology" by Korp
+	E2M4: "Diodine" by Korp
 	E2M5: "Nightstorm" by Korp
 		E2M9: "Tunnel" by Anthony "ajanddino" Pierce
-	E2M6: "Diodine" by Korp
+	E2M6: "Concept of Technology" by Korp
 	E2M7: "Ribcage" by Korp
 	E2M8: "Treble Dissension" by Korp
 
diff --git a/musics/d_e2m4.mid b/musics/d_e2m4.mid
index edeb7861..6d76b7e1 100644
Binary files a/musics/d_e2m4.mid and b/musics/d_e2m4.mid differ
diff --git a/musics/d_e2m6.mid b/musics/d_e2m6.mid
index 6d76b7e1..edeb7861 100644
Binary files a/musics/d_e2m6.mid and b/musics/d_e2m6.mid differ