diff --git a/3d_platforma/Level.tscn b/3d_platforma/Level.tscn
index 3227a64..cab21cf 100644
--- a/3d_platforma/Level.tscn
+++ b/3d_platforma/Level.tscn
@@ -1,13 +1,13 @@
 [gd_scene load_steps=39 format=2]
 
-[ext_resource path="res://Scripts/Library/Actions/PlaySound.gd" type="Script" id=1]
+[ext_resource path="res://scripts/Library/Actions/PlaySound.gd" type="Script" id=1]
 [ext_resource path="res://3d_platforma/golden_bay_512.hdr" type="Texture" id=2]
-[ext_resource path="res://Scripts/Library/Actions/Snare Admiral 2.wav" type="AudioStream" id=3]
+[ext_resource path="res://scripts/Library/Actions/Snare Admiral 2.wav" type="AudioStream" id=3]
 [ext_resource path="res://3d_platforma/sqare_norm.png" type="Texture" id=4]
 [ext_resource path="res://3d_platforma/texture_08.png" type="Texture" id=5]
-[ext_resource path="res://Scripts/Library/Actions/TriggerOnReady.gd" type="Script" id=6]
-[ext_resource path="res://Scripts/Library/Actions/ActionList.gd" type="Script" id=7]
-[ext_resource path="res://Scripts/Library/Actions/SFX BlackTiger.wav" type="AudioStream" id=8]
+[ext_resource path="res://scripts/Library/Actions/TriggerOnReady.gd" type="Script" id=6]
+[ext_resource path="res://scripts/Library/Actions/ActionList.gd" type="Script" id=7]
+[ext_resource path="res://scripts/Library/Actions/SFX BlackTiger.wav" type="AudioStream" id=8]
 
 [sub_resource type="CubeMesh" id=1]
 
diff --git a/project.godot b/project.godot
index d300eb8..7f0f3d3 100644
--- a/project.godot
+++ b/project.godot
@@ -12,32 +12,32 @@ _global_script_classes=[ {
 "base": "Node",
 "class": "Action",
 "language": "GDScript",
-"path": "res://Scripts/Library/Actions/Action.gd"
+"path": "res://scripts/Library/Actions/Action.gd"
 }, {
 "base": "Action",
 "class": "ActionList",
 "language": "GDScript",
-"path": "res://Scripts/Library/Actions/ActionList.gd"
+"path": "res://scripts/Library/Actions/ActionList.gd"
 }, {
 "base": "Node",
 "class": "MusicChangedSlowAction",
 "language": "GDScript",
-"path": "res://Scripts/OnMusicChangedSlowTrigger.gd"
+"path": "res://scripts/OnMusicChangedSlowTrigger.gd"
 }, {
 "base": "Action",
 "class": "PlaySound",
 "language": "GDScript",
-"path": "res://Scripts/Library/Actions/PlaySound.gd"
+"path": "res://scripts/Library/Actions/PlaySound.gd"
 }, {
 "base": "Node",
 "class": "TriggerBase",
 "language": "GDScript",
-"path": "res://Scripts/Library/Actions/TriggerBase.gd"
+"path": "res://scripts/Library/Actions/TriggerBase.gd"
 }, {
 "base": "TriggerBase",
 "class": "TriggerOnReady",
 "language": "GDScript",
-"path": "res://Scripts/Library/Actions/TriggerOnReady.gd"
+"path": "res://scripts/Library/Actions/TriggerOnReady.gd"
 } ]
 _global_script_class_icons={
 "Action": "",
@@ -54,6 +54,10 @@ config/name="first_anniversary_godot_jam"
 run/main_scene="res://3d_platforma/Level.tscn"
 config/icon="res://icon.png"
 
+[autoload]
+
+MusicSingleton="*res://scripts/MusicSingleton.gd"
+
 [display]
 
 window/size/width=480
diff --git a/scripts/Library/Actions/TriggerOnCollision.gd b/scripts/Library/Actions/TriggerOnCollision.gd
new file mode 100644
index 0000000..9f14dd2
--- /dev/null
+++ b/scripts/Library/Actions/TriggerOnCollision.gd
@@ -0,0 +1,6 @@
+extends TriggerBase
+
+export var collision_area
+
+func _ready():
+	pass # Replace with function body.