diff --git a/demo/Scenes/FmodScriptTest.tscn b/demo/Scenes/FmodScriptTest.tscn
index 70d26c2b..fccb19dc 100644
--- a/demo/Scenes/FmodScriptTest.tscn
+++ b/demo/Scenes/FmodScriptTest.tscn
@@ -70,8 +70,8 @@ shape = SubResource("2")
 
 [node name="icon" type="Sprite2D" parent="SoundArea1"]
 self_modulate = Color(0.113725, 0.823529, 0.317647, 1)
-scale = Vector2(3, 3)
 z_index = -1
+scale = Vector2(3, 3)
 texture = ExtResource("2")
 
 [node name="Label2" type="Label" parent="SoundArea1"]
@@ -91,9 +91,9 @@ shape = SubResource("3")
 
 [node name="icon" type="Sprite2D" parent="SoundArea2"]
 self_modulate = Color(0.0117647, 0.956863, 0.0156863, 1)
+z_index = -1
 position = Vector2(52.3218, 46.0544)
 scale = Vector2(3, 3)
-z_index = -1
 texture = ExtResource("2")
 
 [node name="Label3" type="Label" parent="SoundArea2"]
@@ -111,9 +111,9 @@ shape = SubResource("3")
 
 [node name="icon" type="Sprite2D" parent="SoundArea3"]
 self_modulate = Color(0.827451, 0.345098, 0.0941176, 1)
+z_index = -1
 position = Vector2(52.3218, 46.0544)
 scale = Vector2(3, 3)
-z_index = -1
 texture = ExtResource("2")
 
 [node name="Label3" type="Label" parent="SoundArea3"]
diff --git a/demo/Script/ChangeColor.gd b/demo/Script/ChangeColor.gd
index 6245e60f..5404c2c2 100644
--- a/demo/Script/ChangeColor.gd
+++ b/demo/Script/ChangeColor.gd
@@ -11,9 +11,9 @@ func _ready():
 # warning-ignore:return_value_discarded
 	body_exited.connect(leave)
 	id = Fmod.create_event_instance("event:/Music/Level 02")
-	Fmod.set_callback(id, Fmod.FMOD_STUDIO_EVENT_CALLBACK_SOUND_PLAYED)
+	Fmod.set_callback(id, Fmod.FMOD_STUDIO_EVENT_CALLBACK_ALL)
 	Fmod.start_event(id)
-	Fmod.set_event_paused(id, false)
+	Fmod.set_event_paused(id, true)
 
 # warning-ignore:unused_argument
 func enter(area):
diff --git a/src/helpers/constants.h b/src/helpers/constants.h
index 9010b074..0d18f098 100644
--- a/src/helpers/constants.h
+++ b/src/helpers/constants.h
@@ -104,6 +104,24 @@
     BIND_CONSTANT(FMOD_STUDIO_EVENT_CALLBACK_VIRTUAL_TO_REAL)          \
     BIND_CONSTANT(FMOD_STUDIO_EVENT_CALLBACK_START_EVENT_COMMAND)      \
     BIND_CONSTANT(FMOD_STUDIO_EVENT_CALLBACK_NESTED_TIMELINE_BEAT)     \
-    BIND_CONSTANT(FMOD_STUDIO_EVENT_CALLBACK_ALL)
+    BIND_CONSTANT(FMOD_STUDIO_EVENT_CALLBACK_ALL)                      \
+                                                                       \
+    BIND_CONSTANT(FMOD_STUDIO_LOADING_STATE_UNLOADING)                 \
+    BIND_CONSTANT(FMOD_STUDIO_LOADING_STATE_UNLOADED)                  \
+    BIND_CONSTANT(FMOD_STUDIO_LOADING_STATE_LOADING)                   \
+    BIND_CONSTANT(FMOD_STUDIO_LOADING_STATE_LOADED)                    \
+    BIND_CONSTANT(FMOD_STUDIO_LOADING_STATE_ERROR)                     \
+    BIND_CONSTANT(FMOD_STUDIO_LOADING_STATE_FORCEINT)                  \
+                                                                       \
+    BIND_CONSTANT(FMOD_STUDIO_PLAYBACK_PLAYING)                        \
+    BIND_CONSTANT(FMOD_STUDIO_PLAYBACK_SUSTAINING)                     \
+    BIND_CONSTANT(FMOD_STUDIO_PLAYBACK_STOPPED)                        \
+    BIND_CONSTANT(FMOD_STUDIO_PLAYBACK_STARTING)                       \
+    BIND_CONSTANT(FMOD_STUDIO_PLAYBACK_STOPPING)                       \
+    BIND_CONSTANT(FMOD_STUDIO_PLAYBACK_FORCEINT)                       \
+                                                                       \
+    BIND_CONSTANT(FMOD_STUDIO_STOP_ALLOWFADEOUT)                       \
+    BIND_CONSTANT(FMOD_STUDIO_STOP_IMMEDIATE)                          \
+    BIND_CONSTANT(FMOD_STUDIO_STOP_FORCEINT)
 
 #endif// GODOTFMOD_CONSTANTS_H