diff --git a/data/maps/BattleFrontier_BattlePyramidEmptySquare/map.json b/data/maps/BattleFrontier_BattlePyramidEmptySquare/map.json
index 14a2e7d23..3f4739b26 100644
--- a/data/maps/BattleFrontier_BattlePyramidEmptySquare/map.json
+++ b/data/maps/BattleFrontier_BattlePyramidEmptySquare/map.json
@@ -2,7 +2,7 @@
   "id": "MAP_BATTLE_FRONTIER_BATTLE_PYRAMID_EMPTY_SQUARE",
   "name": "BattleFrontier_BattlePyramidEmptySquare",
   "layout": "LAYOUT_BATTLE_FRONTIER_BATTLE_PYRAMID_EMPTY_SQUARE",
-  "music": "65535",
+  "music": "MUS_NONE",
   "region_map_section": "MAPSEC_BATTLE_FRONTIER",
   "requires_flash": false,
   "weather": "WEATHER_NONE",
diff --git a/data/maps/BattleFrontier_BattlePyramidTop/map.json b/data/maps/BattleFrontier_BattlePyramidTop/map.json
index fcb459426..d73dc1692 100644
--- a/data/maps/BattleFrontier_BattlePyramidTop/map.json
+++ b/data/maps/BattleFrontier_BattlePyramidTop/map.json
@@ -2,7 +2,7 @@
   "id": "MAP_BATTLE_FRONTIER_BATTLE_PYRAMID_TOP",
   "name": "BattleFrontier_BattlePyramidTop",
   "layout": "LAYOUT_BATTLE_FRONTIER_BATTLE_PYRAMID_TOP",
-  "music": "65535",
+  "music": "MUS_NONE",
   "region_map_section": "MAPSEC_BATTLE_FRONTIER",
   "requires_flash": false,
   "weather": "WEATHER_NONE",
diff --git a/data/maps/BattlePyramidSquare01/map.json b/data/maps/BattlePyramidSquare01/map.json
index 2b0d26de0..d4cbfd71d 100644
--- a/data/maps/BattlePyramidSquare01/map.json
+++ b/data/maps/BattlePyramidSquare01/map.json
@@ -2,7 +2,7 @@
   "id": "MAP_BATTLE_PYRAMID_SQUARE01",
   "name": "BattlePyramidSquare01",
   "layout": "LAYOUT_BATTLE_PYRAMID_SQUARE01",
-  "music": "65535",
+  "music": "MUS_NONE",
   "region_map_section": "MAPSEC_DYNAMIC",
   "requires_flash": false,
   "weather": "WEATHER_NONE",
diff --git a/data/maps/BattlePyramidSquare02/map.json b/data/maps/BattlePyramidSquare02/map.json
index 32b0ad7ec..e68b71284 100644
--- a/data/maps/BattlePyramidSquare02/map.json
+++ b/data/maps/BattlePyramidSquare02/map.json
@@ -2,7 +2,7 @@
   "id": "MAP_BATTLE_PYRAMID_SQUARE02",
   "name": "BattlePyramidSquare02",
   "layout": "LAYOUT_BATTLE_PYRAMID_SQUARE02",
-  "music": "65535",
+  "music": "MUS_NONE",
   "region_map_section": "MAPSEC_DYNAMIC",
   "requires_flash": false,
   "weather": "WEATHER_NONE",
diff --git a/data/maps/BattlePyramidSquare03/map.json b/data/maps/BattlePyramidSquare03/map.json
index bbec7daa4..8a495158e 100644
--- a/data/maps/BattlePyramidSquare03/map.json
+++ b/data/maps/BattlePyramidSquare03/map.json
@@ -2,7 +2,7 @@
   "id": "MAP_BATTLE_PYRAMID_SQUARE03",
   "name": "BattlePyramidSquare03",
   "layout": "LAYOUT_BATTLE_PYRAMID_SQUARE03",
-  "music": "65535",
+  "music": "MUS_NONE",
   "region_map_section": "MAPSEC_DYNAMIC",
   "requires_flash": false,
   "weather": "WEATHER_NONE",
diff --git a/data/maps/BattlePyramidSquare04/map.json b/data/maps/BattlePyramidSquare04/map.json
index 8f63efd06..e413a7e5f 100644
--- a/data/maps/BattlePyramidSquare04/map.json
+++ b/data/maps/BattlePyramidSquare04/map.json
@@ -2,7 +2,7 @@
   "id": "MAP_BATTLE_PYRAMID_SQUARE04",
   "name": "BattlePyramidSquare04",
   "layout": "LAYOUT_BATTLE_PYRAMID_SQUARE04",
-  "music": "65535",
+  "music": "MUS_NONE",
   "region_map_section": "MAPSEC_DYNAMIC",
   "requires_flash": false,
   "weather": "WEATHER_NONE",
diff --git a/data/maps/BattlePyramidSquare05/map.json b/data/maps/BattlePyramidSquare05/map.json
index 7e26a9ee3..d16a87646 100644
--- a/data/maps/BattlePyramidSquare05/map.json
+++ b/data/maps/BattlePyramidSquare05/map.json
@@ -2,7 +2,7 @@
   "id": "MAP_BATTLE_PYRAMID_SQUARE05",
   "name": "BattlePyramidSquare05",
   "layout": "LAYOUT_BATTLE_PYRAMID_SQUARE05",
-  "music": "65535",
+  "music": "MUS_NONE",
   "region_map_section": "MAPSEC_DYNAMIC",
   "requires_flash": false,
   "weather": "WEATHER_NONE",
diff --git a/data/maps/BattlePyramidSquare06/map.json b/data/maps/BattlePyramidSquare06/map.json
index 289a1e5c2..ddf011814 100644
--- a/data/maps/BattlePyramidSquare06/map.json
+++ b/data/maps/BattlePyramidSquare06/map.json
@@ -2,7 +2,7 @@
   "id": "MAP_BATTLE_PYRAMID_SQUARE06",
   "name": "BattlePyramidSquare06",
   "layout": "LAYOUT_BATTLE_PYRAMID_SQUARE06",
-  "music": "65535",
+  "music": "MUS_NONE",
   "region_map_section": "MAPSEC_DYNAMIC",
   "requires_flash": false,
   "weather": "WEATHER_NONE",
diff --git a/data/maps/BattlePyramidSquare07/map.json b/data/maps/BattlePyramidSquare07/map.json
index 745234547..8719c6d25 100644
--- a/data/maps/BattlePyramidSquare07/map.json
+++ b/data/maps/BattlePyramidSquare07/map.json
@@ -2,7 +2,7 @@
   "id": "MAP_BATTLE_PYRAMID_SQUARE07",
   "name": "BattlePyramidSquare07",
   "layout": "LAYOUT_BATTLE_PYRAMID_SQUARE07",
-  "music": "65535",
+  "music": "MUS_NONE",
   "region_map_section": "MAPSEC_DYNAMIC",
   "requires_flash": false,
   "weather": "WEATHER_NONE",
diff --git a/data/maps/BattlePyramidSquare08/map.json b/data/maps/BattlePyramidSquare08/map.json
index cac7ed96e..54cfa4fe8 100644
--- a/data/maps/BattlePyramidSquare08/map.json
+++ b/data/maps/BattlePyramidSquare08/map.json
@@ -2,7 +2,7 @@
   "id": "MAP_BATTLE_PYRAMID_SQUARE08",
   "name": "BattlePyramidSquare08",
   "layout": "LAYOUT_BATTLE_PYRAMID_SQUARE08",
-  "music": "65535",
+  "music": "MUS_NONE",
   "region_map_section": "MAPSEC_DYNAMIC",
   "requires_flash": false,
   "weather": "WEATHER_NONE",
diff --git a/data/maps/BattlePyramidSquare09/map.json b/data/maps/BattlePyramidSquare09/map.json
index b5a111334..67b9ceb1f 100644
--- a/data/maps/BattlePyramidSquare09/map.json
+++ b/data/maps/BattlePyramidSquare09/map.json
@@ -2,7 +2,7 @@
   "id": "MAP_BATTLE_PYRAMID_SQUARE09",
   "name": "BattlePyramidSquare09",
   "layout": "LAYOUT_BATTLE_PYRAMID_SQUARE09",
-  "music": "65535",
+  "music": "MUS_NONE",
   "region_map_section": "MAPSEC_DYNAMIC",
   "requires_flash": false,
   "weather": "WEATHER_NONE",
diff --git a/data/maps/BattlePyramidSquare10/map.json b/data/maps/BattlePyramidSquare10/map.json
index 5171d112e..0a5e88bf7 100644
--- a/data/maps/BattlePyramidSquare10/map.json
+++ b/data/maps/BattlePyramidSquare10/map.json
@@ -2,7 +2,7 @@
   "id": "MAP_BATTLE_PYRAMID_SQUARE10",
   "name": "BattlePyramidSquare10",
   "layout": "LAYOUT_BATTLE_PYRAMID_SQUARE10",
-  "music": "65535",
+  "music": "MUS_NONE",
   "region_map_section": "MAPSEC_DYNAMIC",
   "requires_flash": false,
   "weather": "WEATHER_NONE",
diff --git a/data/maps/BattlePyramidSquare11/map.json b/data/maps/BattlePyramidSquare11/map.json
index 58ac0476f..5dc7736a3 100644
--- a/data/maps/BattlePyramidSquare11/map.json
+++ b/data/maps/BattlePyramidSquare11/map.json
@@ -2,7 +2,7 @@
   "id": "MAP_BATTLE_PYRAMID_SQUARE11",
   "name": "BattlePyramidSquare11",
   "layout": "LAYOUT_BATTLE_PYRAMID_SQUARE11",
-  "music": "65535",
+  "music": "MUS_NONE",
   "region_map_section": "MAPSEC_DYNAMIC",
   "requires_flash": false,
   "weather": "WEATHER_NONE",
diff --git a/data/maps/BattlePyramidSquare12/map.json b/data/maps/BattlePyramidSquare12/map.json
index 648c3e3a6..dcb57812d 100644
--- a/data/maps/BattlePyramidSquare12/map.json
+++ b/data/maps/BattlePyramidSquare12/map.json
@@ -2,7 +2,7 @@
   "id": "MAP_BATTLE_PYRAMID_SQUARE12",
   "name": "BattlePyramidSquare12",
   "layout": "LAYOUT_BATTLE_PYRAMID_SQUARE12",
-  "music": "65535",
+  "music": "MUS_NONE",
   "region_map_section": "MAPSEC_DYNAMIC",
   "requires_flash": false,
   "weather": "WEATHER_NONE",
diff --git a/data/maps/BattlePyramidSquare13/map.json b/data/maps/BattlePyramidSquare13/map.json
index c9342b3b9..d277c5b1b 100644
--- a/data/maps/BattlePyramidSquare13/map.json
+++ b/data/maps/BattlePyramidSquare13/map.json
@@ -2,7 +2,7 @@
   "id": "MAP_BATTLE_PYRAMID_SQUARE13",
   "name": "BattlePyramidSquare13",
   "layout": "LAYOUT_BATTLE_PYRAMID_SQUARE13",
-  "music": "65535",
+  "music": "MUS_NONE",
   "region_map_section": "MAPSEC_DYNAMIC",
   "requires_flash": false,
   "weather": "WEATHER_NONE",
diff --git a/data/maps/BattlePyramidSquare14/map.json b/data/maps/BattlePyramidSquare14/map.json
index 6f9461967..5727356ed 100644
--- a/data/maps/BattlePyramidSquare14/map.json
+++ b/data/maps/BattlePyramidSquare14/map.json
@@ -2,7 +2,7 @@
   "id": "MAP_BATTLE_PYRAMID_SQUARE14",
   "name": "BattlePyramidSquare14",
   "layout": "LAYOUT_BATTLE_PYRAMID_SQUARE14",
-  "music": "65535",
+  "music": "MUS_NONE",
   "region_map_section": "MAPSEC_DYNAMIC",
   "requires_flash": false,
   "weather": "WEATHER_NONE",
diff --git a/data/maps/BattlePyramidSquare15/map.json b/data/maps/BattlePyramidSquare15/map.json
index 3aa2571f6..62c7e34f3 100644
--- a/data/maps/BattlePyramidSquare15/map.json
+++ b/data/maps/BattlePyramidSquare15/map.json
@@ -2,7 +2,7 @@
   "id": "MAP_BATTLE_PYRAMID_SQUARE15",
   "name": "BattlePyramidSquare15",
   "layout": "LAYOUT_BATTLE_PYRAMID_SQUARE15",
-  "music": "65535",
+  "music": "MUS_NONE",
   "region_map_section": "MAPSEC_DYNAMIC",
   "requires_flash": false,
   "weather": "WEATHER_NONE",
diff --git a/data/maps/BattlePyramidSquare16/map.json b/data/maps/BattlePyramidSquare16/map.json
index 70b677c34..a69a0ed5a 100644
--- a/data/maps/BattlePyramidSquare16/map.json
+++ b/data/maps/BattlePyramidSquare16/map.json
@@ -2,7 +2,7 @@
   "id": "MAP_BATTLE_PYRAMID_SQUARE16",
   "name": "BattlePyramidSquare16",
   "layout": "LAYOUT_BATTLE_PYRAMID_SQUARE16",
-  "music": "65535",
+  "music": "MUS_NONE",
   "region_map_section": "MAPSEC_DYNAMIC",
   "requires_flash": false,
   "weather": "WEATHER_NONE",
diff --git a/data/maps/BirthIsland_Exterior/map.json b/data/maps/BirthIsland_Exterior/map.json
index c87f39fb8..c3e5ddddf 100644
--- a/data/maps/BirthIsland_Exterior/map.json
+++ b/data/maps/BirthIsland_Exterior/map.json
@@ -2,7 +2,7 @@
   "id": "MAP_BIRTH_ISLAND_EXTERIOR",
   "name": "BirthIsland_Exterior",
   "layout": "LAYOUT_BIRTH_ISLAND_EXTERIOR",
-  "music": "65535",
+  "music": "MUS_NONE",
   "region_map_section": "MAPSEC_BIRTH_ISLAND_2",
   "requires_flash": false,
   "weather": "WEATHER_NONE",
diff --git a/data/maps/BirthIsland_Harbor/map.json b/data/maps/BirthIsland_Harbor/map.json
index b212247bb..48937d482 100644
--- a/data/maps/BirthIsland_Harbor/map.json
+++ b/data/maps/BirthIsland_Harbor/map.json
@@ -2,7 +2,7 @@
   "id": "MAP_BIRTH_ISLAND_HARBOR",
   "name": "BirthIsland_Harbor",
   "layout": "LAYOUT_ISLAND_HARBOR",
-  "music": "65535",
+  "music": "MUS_NONE",
   "region_map_section": "MAPSEC_BIRTH_ISLAND_2",
   "requires_flash": false,
   "weather": "WEATHER_NONE",
diff --git a/data/maps/CaveOfOrigin_B1F/map.json b/data/maps/CaveOfOrigin_B1F/map.json
index 2a764c677..ac3baeaf8 100644
--- a/data/maps/CaveOfOrigin_B1F/map.json
+++ b/data/maps/CaveOfOrigin_B1F/map.json
@@ -2,7 +2,7 @@
   "id": "MAP_CAVE_OF_ORIGIN_B1F",
   "name": "CaveOfOrigin_B1F",
   "layout": "LAYOUT_CAVE_OF_ORIGIN_B1F",
-  "music": "65535",
+  "music": "MUS_NONE",
   "region_map_section": "MAPSEC_CAVE_OF_ORIGIN",
   "requires_flash": false,
   "weather": "WEATHER_FOG_1",
diff --git a/data/maps/InsideOfTruck/map.json b/data/maps/InsideOfTruck/map.json
index eefeed365..ff76eb774 100644
--- a/data/maps/InsideOfTruck/map.json
+++ b/data/maps/InsideOfTruck/map.json
@@ -2,7 +2,7 @@
   "id": "MAP_INSIDE_OF_TRUCK",
   "name": "InsideOfTruck",
   "layout": "LAYOUT_INSIDE_OF_TRUCK",
-  "music": "65535",
+  "music": "MUS_NONE",
   "region_map_section": "MAPSEC_INSIDE_OF_TRUCK",
   "requires_flash": false,
   "weather": "WEATHER_NONE",
diff --git a/include/constants/songs.h b/include/constants/songs.h
index a459edd24..14b766965 100644
--- a/include/constants/songs.h
+++ b/include/constants/songs.h
@@ -538,4 +538,6 @@
 
 #define MUS_ROUTE_118 0x7FFF  // map is split into 2 music sections. controlled by GetCurrLocationDefaultMusic().
 
+#define MUS_NONE 0xFFFF
+
 #endif  // GUARD_CONSTANTS_SONGS_H