diff --git a/CREDITS b/CREDITS
index c9d40feb..6b8217f7 100644
--- a/CREDITS
+++ b/CREDITS
@@ -1005,3 +1005,7 @@ D: sprites
 
 S: Anonymoister
 D: sprites
+
+N(A): Josephus Astartes
+s: DH4050
+D: musics
diff --git a/CREDITS-MUSIC b/CREDITS-MUSIC
index a3617b13..fd78bdc6 100644
--- a/CREDITS-MUSIC
+++ b/CREDITS-MUSIC
@@ -80,7 +80,7 @@ Cluster 2
 	MAP17: "Mow Them Down!" by Lola "BlueWorrior" Harvey
 	MAP18: "Realistic Approach" by Kevin "Velvetic" Martins
 	MAP19: "Deceit" by Julian "Julian Hope" Aubourg, modified by m
-	MAP20: dave3d05.mid by jute
+	MAP20: "Beasts of the Horizon" by Josephus "DH4050" Astartes
 
 Cluster 3
 	MAP21: "Rough Landing" by Korp
@@ -157,7 +157,7 @@ E2M4: "Let 'em Burn" by Kevin "Velvetic" Martins
 E2M5: "Music for Freedoom 1" by Jeremy "Vandalorian" Emerson
 E2M6: "sit on a bench 'n release that tensh'n" by Jazz "jmickle" Mickle
 E2M7: "Music for Freedoom 3" by Jeremy "Vandalorian" Emerson
-E2M8: ? by Anthony "Ajanddino" Pierce
+E2M8: "Pit" by Anthony "Ajanddino" Pierce
 E2M9: dave3d34.mid by jute
 
 Phase 2 + FreeDM Title: "Warpath" by Tyler "Picklehammer" Pantella
@@ -167,7 +167,8 @@ MAP06: "Dark Trail" by Tyler "Picklehammer" Pantella
 MAP07: "Riders of Hell" by Tyler "Picklehammer" Pantella (moved to DM05, not removed)
 MAP10: "Death's Embrace" by Tyler "Picklehammer" Pantella
 MAP11: dave3d02.mid by jute
-MAP12: untitled by Bradley "BobFromReboot" Lavigne
+MAP12: doom2alt.mid by Bradley "BobFromReboot" Lavigne
+MAP20: dave3d05.mid by jute
 MAP21: "Violence Culture" by Jeremy "Vandalorian" Emerson
 MAP22: "Mists Over the Mire" by Tyler "Picklehammer" Pantella
 MAP23: dave3d09.mid by jute
diff --git a/musics/d_map20.mid b/musics/d_map20.mid
index ab09baed..d8ecbba2 100644
Binary files a/musics/d_map20.mid and b/musics/d_map20.mid differ