diff --git a/converters/converter.gd b/converters/converter.gd
index 835b979..141a8f9 100644
--- a/converters/converter.gd
+++ b/converters/converter.gd
@@ -1,8 +1,6 @@
 extends StaticBody2D
 class_name Converter
 
-var coda : int = 0
-
 @export var sprite_front: AnimatedSprite2D
 @export var sprite_back: AnimatedSprite2D
 @export var conversion_timer: Timer
@@ -10,25 +8,38 @@ var coda : int = 0
 @export var sound_complete: AudioStreamPlayer
 @export var spawner: Spawner
 
-func _on_collector_goal():
-	coda+=1
+## Amount of scenes this converter should produce.
+var to_produce: int = 0
 
-func _process(_delta):
-	if coda>=1 and conversion_timer.is_stopped():
+## Amount of scenes this converter should spawn.
+var to_spawn: int = 0
+
+func _on_collector_goal():
+	to_produce += 1
+
+func _physics_process(_delta):
+	if to_produce >= 1 and conversion_timer.is_stopped():
+		to_produce -= 1
+		produce()
+
+func produce():
+	conversion_timer.start()
+	if sprite_front:
 		sprite_front.play()
-		if not sprite_back==null:
-			sprite_back.play()
-		conversion_timer.start()
+	if sprite_back:
+		sprite_back.play()
+	if sound_working:
 		sound_working.play()
 
 func _on_timer_timeout():
-	coda-=1
-	sprite_front.stop()
-	if not sprite_back==null:
-		sprite_back.stop()
-	sound_working.stop()
-	sound_complete.play()
 	spawner.spawn()
+	if sprite_front:
+		sprite_front.stop()
+	if sprite_back:
+		sprite_back.stop()
+	if sound_working:
+		sound_working.stop()
+
 
 var is_pending_deletion: bool = false
 
@@ -40,7 +51,7 @@ func ending_deletion():
 	sprite_front.modulate = Color.WHITE
 	is_pending_deletion = false
 
-func _on_input_event(viewport: Node, event: InputEvent, shape_idx: int):
+func _on_input_event(_viewport: Node, event: InputEvent, _shape_idx: int):
 	if is_pending_deletion:
 		if event is InputEventMouseButton or event is InputEventScreenTouch:
 			queue_free()
diff --git a/converters/copper_to_silver/copper_converter.tscn b/converters/copper_to_silver/copper_converter.tscn
index 2b7da3c..a2a9ea7 100644
--- a/converters/copper_to_silver/copper_converter.tscn
+++ b/converters/copper_to_silver/copper_converter.tscn
@@ -71,7 +71,7 @@ script = ExtResource("1_mas6k")
 sprite_front = NodePath("SpriteFront")
 conversion_timer = NodePath("ConversionTimer")
 sound_working = NodePath("SoundWorking")
-sound_complete = NodePath("SoundComplete")
+sound_complete = NodePath("Spawner/SoundComplete")
 spawner = NodePath("Spawner")
 
 [node name="SpriteBack" type="Sprite2D" parent="."]
@@ -110,7 +110,7 @@ collecting_amount = 10
 shape = SubResource("RectangleShape2D_k11if")
 debug_color = Color(0, 0.701961, 0.188235, 0.419608)
 
-[node name="Spawner" parent="." instance=ExtResource("9_2wvgu")]
+[node name="Spawner" parent="." node_paths=PackedStringArray("sound_complete") instance=ExtResource("9_2wvgu")]
 position = Vector2(0, 8)
 scene = ExtResource("2_h5aul")
 buffer_cap = 1
@@ -118,6 +118,7 @@ spawn_rect = Rect2(-8, 0, 16, 4)
 spawn_rotation_degrees_min = 80.0
 spawn_rotation_degrees_max = 100.0
 overlapping_body_count_limit = 4
+sound_complete = NodePath("SoundComplete")
 
 [node name="PreventSpawnShape" type="CollisionShape2D" parent="Spawner"]
 z_index = 3
@@ -125,6 +126,10 @@ position = Vector2(0, 3.5)
 shape = SubResource("RectangleShape2D_jeo5f")
 debug_color = Color(0.701961, 0, 0, 0.419608)
 
+[node name="SoundComplete" type="AudioStreamPlayer" parent="Spawner"]
+stream = ExtResource("11_r8505")
+max_polyphony = 4
+
 [node name="ConversionTimer" type="Timer" parent="."]
 wait_time = 0.5
 one_shot = true
@@ -132,9 +137,6 @@ one_shot = true
 [node name="SoundWorking" type="AudioStreamPlayer" parent="."]
 stream = ExtResource("10_6hhch")
 
-[node name="SoundComplete" type="AudioStreamPlayer" parent="."]
-stream = ExtResource("11_r8505")
-
 [node name="ConverterPlacementBody" parent="." instance=ExtResource("12_5qhgs")]
 
 [connection signal="input_event" from="." to="." method="_on_input_event"]
diff --git a/spawner/spawner.gd b/spawner/spawner.gd
index c6cd1a0..0eacb7f 100644
--- a/spawner/spawner.gd
+++ b/spawner/spawner.gd
@@ -27,6 +27,14 @@ var buffer: int = 0
 ## Maximum amount of bodies overlapping the spawner's area before the spawner stops spawning.
 @export_range(0, 16, 1, "or_greater") var overlapping_body_count_limit: int
 
+## Sound to play when spawning an item.
+##
+## Doesn't spawn anything if not set.
+@export var sound_complete: AudioStreamPlayer
+
+@export_range(0.01, 8.0, 0.01, "or_greater") var sound_complete_pitch_min: float = 0.98
+@export_range(0.01, 8.0, 0.01, "or_greater") var sound_complete_pitch_max: float = 1.02
+
 
 signal spawned(what: Node2D)
 
@@ -62,6 +70,9 @@ func _do_spawn():
 	instantiated.global_position = global_position + _select_spawn_position()
 	instantiated.rotation_degrees = _select_spawn_rotation()
 	target.add_child(instantiated)
+	if sound_complete:
+		sound_complete.pitch_scale = Randomizer.rng.randf_range(sound_complete_pitch_min, sound_complete_pitch_max)
+		sound_complete.play()
 	spawned.emit()
 	buffer -= 1