diff --git a/default_bus_layout.tres b/default_bus_layout.tres
new file mode 100644
index 00000000..2a6758ea
--- /dev/null
+++ b/default_bus_layout.tres
@@ -0,0 +1,4 @@
+[gd_resource type="AudioBusLayout" format=3 uid="uid://byd4lkofdecc0"]
+
+[resource]
+bus/0/volume_db = -9.632782