diff --git a/doortables.asm b/doortables.asm
index db1b671..8ee0dd6 100644
--- a/doortables.asm
+++ b/doortables.asm
@@ -580,8 +580,8 @@ dw $00bc, $00a2, $00a3, $00c2, $001a, $0049, $0014, $008c
 ; Ice Many Pots, Swamp Waterfall, GT Gauntlet 3, Eastern Push Block, Eastern Courtyard, Eastern Map Valley
 ; Eastern Cannonball, HC East Hall
 dw $009f, $0066, $005d, $00a8, $00a9, $00aa, $00b9, $0052
-; HC West Hall, TR Dash Bridge, TR Hub, Pod Arena, GT Petting Zoo
-dw $0050, $00c5, $00c6, $0009, $0003, $002a, $007d
+; HC West Hall, TR Dash Bridge, TR Hub, Pod Arena, GT Petting Zoo, Ice Spike Cross
+dw $0050, $00c5, $00c6, $0009, $0003, $002a, $007d, $005e
 dw $ffff
 
 ; dungeon tables
diff --git a/hooks.asm b/hooks.asm
index 939de7d..05f9411 100755
--- a/hooks.asm
+++ b/hooks.asm
@@ -1668,6 +1668,17 @@ dw !REG_MUSIC_CONTROL
 
 org $0CF05F
 dw !REG_MUSIC_CONTROL
+
+; Conditionally disable UW music changes in Door Rando
+org $028ADB ; <- Bank02.asm:2088-2095 (LDX.b #$14 : LDA $A0 ...)
+JSL.l Underworld_DoorDown_Entry : CPX #$10
+db $B0, $21 ; BCS $028B04
+BRA + : NOP #6 : +
+
+org $02C3F2 ; <- Bank02.asm:10521 Unused call
+Underworld_DoorDown_Call:
+org $02C3F3
+dw $8AD9 ; address of Bank02.asm:2085
 ;--------------------------------------------------------------------------------
 
 ;================================================================================
diff --git a/music.asm b/music.asm
index 153a081..8a4e4e1 100644
--- a/music.asm
+++ b/music.asm
@@ -52,7 +52,8 @@ PreOverworld_LoadProperties_ChooseMusic:
 
     .endOfLightWorldChecks
     ; if we are in the light world go ahead and set chosen selection
-    LDA $7EF3CA : BEQ .checkInverted+4
+    ;LDA $7EF3CA : BEQ .checkInverted+4
+    JSL OWWorldCheck : BEQ .checkInverted+4
 
     LDX.b #$0F ; dark woods theme
 
@@ -68,7 +69,7 @@ PreOverworld_LoadProperties_ChooseMusic:
 
     ; if not inverted and light world, or inverted and dark world, skip moon pearl check
     .checkInverted
-    LDA $7EF3CA : CLC : ROL #$03 : CMP InvertedMode : BEQ .lastCheck
+    JSL OWWorldCheck : CLC : ROL #$03 : CMP InvertedMode : BEQ .lastCheck
 
     ; Does Link have a moon pearl?
     LDA $7EF357 : BNE +
@@ -285,3 +286,21 @@ Overworld_MosaicDarkWorldChecks:
 .done
     RTL
 ;--------------------------------------------------------------------------------
+
+;--------------------------------------------------------------------------------
+; This is the where the music can change due to an UW transition
+; 
+; On entry, A=16bit XY=8bit, A & X safe to mod, Y unknown
+Underworld_DoorDown_Entry:
+    LDA.l DRMode : TAX : LDA $A0 : CPX #0 : BNE .done
+
+.vanilla ; thing we wrote over
+    LDX #$14 ;: LDA $A0
+    CMP.w #$0012 : BEQ .done
+    
+    LDX.b #$10 ; value for Hyrule Castle music
+    CMP.w #$0002 : BEQ .done
+
+.done
+    RTL
+;--------------------------------------------------------------------------------
diff --git a/normal.asm b/normal.asm
index a8ab959..aabb24d 100644
--- a/normal.asm
+++ b/normal.asm
@@ -398,7 +398,7 @@ StraightStairsTrapDoor:
             .animateTraps
             lda #$05 : sta $11
             inc $0468 : stz $068e : stz $0690
-        ++ rtl
+        ++ JSL Underworld_DoorDown_Call : rtl
     + JML Dungeon_ApproachFixedColor ; what we wrote over
 }
 
diff --git a/owrando.asm b/owrando.asm
index 0edfdf7..b3f9af8 100644
--- a/owrando.asm
+++ b/owrando.asm
@@ -31,6 +31,10 @@ db #$b0 ; BCS to replace BEQ
 org $06907f ; < 3107f - sprite_prep.asm:2170 (LDA $7EF3CA)
 lda $8a : and.b #$40
 
+; Dark Bonk Rocks Rain Sequence Guards (allowing Tile Swap on Dark Bonk Rocks)
+;org $09c957 ; <- 4c957
+;dw #$cb5f ; matches value on Central Bonk Rocks screen
+
 ;(replacing -> LDA $8A : AND.b #$40)
 org $00d8c4  ; < ? - Bank00.asm:4068 ()
 jsl.l OWWorldCheck
diff --git a/tables.asm b/tables.asm
index b0f8c79..1d90dd7 100644
--- a/tables.asm
+++ b/tables.asm
@@ -848,7 +848,7 @@ db #$08 ; #$08 = 1 Heart (default) - #$02 = 1/4 Heart
 ;================================================================================
 org $308169 ; PC 0x180169
 AgahnimDoorStyle:
-db #$02 ; #00 = Never Locked - #$01 = Locked During Escape (default) - #$02 = Locked Without 7 Crystals
+db #$01 ; #00 = Never Locked - #$01 = Locked During Escape (default) - #$02 = Locked Without 7 Crystals
 ;================================================================================
 org $30816A ; PC 0x18016A
 FreeItemText: