Done

main.gd

@@ -0,0 +1,21 @@
+extends Control
+
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	pass # Replace with function body.
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta: float) -> void:
+	pass
+
+
+func _on_button_button_down() -> void:
+	# Play audio
+	$mmm.play(0.0)
+	await get_tree().create_timer(0.5).timeout
+
+	$Ghoul.visible = true
+	await get_tree().create_timer(1.3).timeout
+	$Ghoul.visible = false