it just werks

default_bus_layout.tres

@@ -0,0 +1,32 @@
+[gd_resource type="AudioBusLayout" load_steps=2 format=3 uid="uid://dbggc1r8khyvp"]
+
+[sub_resource type="AudioEffectReverb" id="AudioEffectReverb_rn7sq"]
+resource_name = "Reverb"
+predelay_msec = 40.0
+predelay_feedback = 0.0
+room_size = 0.1
+damping = 0.8
+spread = 0.3
+wet = 0.1
+
+[resource]
+bus/1/name = &"Capri"
+bus/1/solo = false
+bus/1/mute = false
+bus/1/bypass_fx = false
+bus/1/volume_db = 0.0
+bus/1/send = &"Master"
+bus/1/effect/0/effect = SubResource("AudioEffectReverb_rn7sq")
+bus/1/effect/0/enabled = true
+bus/2/name = &"Background Sound"
+bus/2/solo = false
+bus/2/mute = false
+bus/2/bypass_fx = false
+bus/2/volume_db = 0.0
+bus/2/send = &"Master"
+bus/3/name = &"Sound Effects"
+bus/3/solo = false
+bus/3/mute = false
+bus/3/bypass_fx = false
+bus/3/volume_db = 0.0
+bus/3/send = &"Master"