diff --git a/assets/sounds/02. Underground Theme.mp3 b/assets/sounds/02. Underground Theme.mp3
new file mode 100644
index 0000000..aff56e8
Binary files /dev/null and b/assets/sounds/02. Underground Theme.mp3 differ
diff --git a/assets/sounds/02. Underground Theme.mp3.import b/assets/sounds/02. Underground Theme.mp3.import
new file mode 100644
index 0000000..a86f487
--- /dev/null
+++ b/assets/sounds/02. Underground Theme.mp3.import	
@@ -0,0 +1,19 @@
+[remap]
+
+importer="mp3"
+type="AudioStreamMP3"
+uid="uid://dsidx3ln87nn7"
+path="res://.godot/imported/02. Underground Theme.mp3-48fe7af9d35600b2cbee60756ac97b08.mp3str"
+
+[deps]
+
+source_file="res://assets/sounds/02. Underground Theme.mp3"
+dest_files=["res://.godot/imported/02. Underground Theme.mp3-48fe7af9d35600b2cbee60756ac97b08.mp3str"]
+
+[params]
+
+loop=true
+loop_offset=0.0
+bpm=0.0
+beat_count=0
+bar_beats=4
diff --git a/scenes/levels/level_2.tscn b/scenes/levels/level_2.tscn
index 9b89874..a284860 100644
--- a/scenes/levels/level_2.tscn
+++ b/scenes/levels/level_2.tscn
@@ -3,11 +3,11 @@
 [ext_resource type="PackedScene" uid="uid://dk1aby88pygtr" path="res://scenes/player.tscn" id="1_76q1j"]
 [ext_resource type="Texture2D" uid="uid://bbf2n32u766cp" path="res://assets/bg-1-2.png" id="1_cckci"]
 [ext_resource type="Texture2D" uid="uid://chrld8oybp4me" path="res://assets/bg-1-1.png" id="2_ch7g2"]
-[ext_resource type="AudioStream" uid="uid://cdtrw675os7dh" path="res://assets/sounds/01. Ground Theme.mp3" id="2_oyk11"]
 [ext_resource type="FontFile" uid="uid://cpwx7datjer6s" path="res://assets/PixelOperator8.ttf" id="3_keyc4"]
 [ext_resource type="Script" path="res://scripts/WorldBoundDown.gd" id="3_xiqi1"]
 [ext_resource type="PackedScene" uid="uid://d25ukpt8ot8xv" path="res://scenes/blocks/itemblock.tscn" id="6_1xseh"]
 [ext_resource type="PackedScene" uid="uid://cc4excywfdh1v" path="res://scenes/blocks/destroyblock_dark.tscn" id="6_hol3k"]
+[ext_resource type="AudioStream" uid="uid://dsidx3ln87nn7" path="res://assets/sounds/02. Underground Theme.mp3" id="7_gpqh0"]
 [ext_resource type="PackedScene" uid="uid://nm5keea43u56" path="res://scenes/items/coin.tscn" id="9_a4rwl"]
 [ext_resource type="PackedScene" uid="uid://be832pldgbeyk" path="res://scenes/pipe.tscn" id="10_aqfih"]
 [ext_resource type="PackedScene" uid="uid://ct54hcx2h7riy" path="res://scenes/blocks/spawner.tscn" id="11_djx30"]
@@ -45045,8 +45045,8 @@ position = Vector2(-112, -96)
 
 [node name="Music" type="AudioStreamPlayer" parent="."]
 unique_name_in_owner = true
-stream = ExtResource("2_oyk11")
-volume_db = -80.0
+stream = ExtResource("7_gpqh0")
+volume_db = -5.0
 autoplay = true
 
 [node name="WorldBoundDown" type="Area2D" parent="."]
@@ -45791,6 +45791,18 @@ position = Vector2(720, 0)
 [node name="StaticBody2D5" parent="invisibleBarriers" instance=ExtResource("18_ujrgy")]
 position = Vector2(736, 0)
 
+[node name="StaticBody2D6" parent="invisibleBarriers" instance=ExtResource("18_ujrgy")]
+position = Vector2(1056, -64)
+
+[node name="StaticBody2D7" parent="invisibleBarriers" instance=ExtResource("18_ujrgy")]
+position = Vector2(1136, -64)
+
+[node name="StaticBody2D8" parent="invisibleBarriers" instance=ExtResource("18_ujrgy")]
+position = Vector2(2160, 0)
+
+[node name="StaticBody2D9" parent="invisibleBarriers" instance=ExtResource("18_ujrgy")]
+position = Vector2(2400, 0)
+
 [node name="Flag" parent="." instance=ExtResource("15_n64v8")]
 position = Vector2(216, -679)
 load_level = "level_1"
diff --git a/scripts/enemies/coopa.gd b/scripts/enemies/coopa.gd
index a9a4695..ad9bd34 100644
--- a/scripts/enemies/coopa.gd
+++ b/scripts/enemies/coopa.gd
@@ -73,6 +73,7 @@ func f_die():
 	die_sound.play()
 	speed = 0
 	innocent = true
+	collision_layer = 32
 	timer.start()
 
 func f_shrink(body):