diff --git a/main.gd b/main.gd
index f463721..2a5f8e3 100644
--- a/main.gd
+++ b/main.gd
@@ -17,8 +17,9 @@ var hist := UndoRedo.new()
 var player: Piece
 
 @onready var sound: AudioStreamPlayer = $Sound
-var sounds_hit := AudioStreamRandomizer.new()
-
+@onready var sounds_hit := audio_stream_randomizer_from_dir("res://sfx/hit")
+@onready var sounds_undo := audio_stream_randomizer_from_dir("res://sfx/undo")
+@onready var sounds_redo := audio_stream_randomizer_from_dir("res://sfx/redo")
 
 func _ready() -> void:
 	add_child(board)
@@ -28,15 +29,6 @@ func _ready() -> void:
 	$TopLeft.aabb = board.top_left_aabb()
 	$BottomRight.aabb = board.bottom_right_aabb()
 	camera.position = Vector3(player.position.x, camera.position.y, player.position.z)
-	
-	sounds_hit.random_pitch = 1.1
-	var hit_dir := DirAccess.open("res://sfx/hit")
-	hit_dir.list_dir_begin()
-	var file_name := hit_dir.get_next()
-	while file_name != "":
-		if file_name.ends_with("ogg"):
-			sounds_hit.add_stream(-1, load("res://sfx/hit/"+file_name))
-		file_name = hit_dir.get_next()
 
 func _process(delta: float) -> void:
 	if $TopLeft.is_on_screen() and $BottomRight.is_on_screen():
@@ -53,9 +45,13 @@ func _input(event: InputEvent) -> void:
 	elif event.is_action_pressed("r", true, true):
 		step(Vector2i.RIGHT)
 	elif event.is_action_pressed("undo", true, true):
-		hist.undo()
+		if hist.undo():
+			sound.stream = sounds_undo
+			sound.play()
 	elif event.is_action_pressed("redo", true, true):
-		hist.redo()
+		if hist.redo():
+			sound.stream = sounds_redo
+			sound.play()
 	elif event.is_action_pressed("restart", true, true):
 		restart()
 
@@ -81,3 +77,15 @@ func step(move: Vector2i):
 	else:
 		sound.stream = sounds_hit
 		sound.play()
+
+func audio_stream_randomizer_from_dir(dir: String) -> AudioStreamRandomizer:
+	var stream := AudioStreamRandomizer.new()
+	stream.random_pitch = 1.1
+	var hit_dir := DirAccess.open(dir)
+	hit_dir.list_dir_begin()
+	var file_name := hit_dir.get_next()
+	while file_name != "":
+		if file_name.ends_with("ogg"):
+			stream.add_stream(-1, load(dir+"/"+file_name))
+		file_name = hit_dir.get_next()
+	return stream
diff --git a/sfx/redo/jingles-saxophone_15.ogg b/sfx/redo/jingles-saxophone_15.ogg
new file mode 100644
index 0000000..bb4aedb
Binary files /dev/null and b/sfx/redo/jingles-saxophone_15.ogg differ
diff --git a/sfx/redo/jingles-saxophone_15.ogg.import b/sfx/redo/jingles-saxophone_15.ogg.import
new file mode 100644
index 0000000..265a753
--- /dev/null
+++ b/sfx/redo/jingles-saxophone_15.ogg.import
@@ -0,0 +1,19 @@
+[remap]
+
+importer="oggvorbisstr"
+type="AudioStreamOggVorbis"
+uid="uid://yckyg3m66h1u"
+path="res://.godot/imported/jingles-saxophone_15.ogg-75960c939c728136300eb69e1176d924.oggvorbisstr"
+
+[deps]
+
+source_file="res://sfx/redo/jingles-saxophone_15.ogg"
+dest_files=["res://.godot/imported/jingles-saxophone_15.ogg-75960c939c728136300eb69e1176d924.oggvorbisstr"]
+
+[params]
+
+loop=false
+loop_offset=0
+bpm=0
+beat_count=0
+bar_beats=4
diff --git a/sfx/undo/jingles-saxophone_16.ogg b/sfx/undo/jingles-saxophone_16.ogg
new file mode 100644
index 0000000..2cebcdc
Binary files /dev/null and b/sfx/undo/jingles-saxophone_16.ogg differ
diff --git a/sfx/undo/jingles-saxophone_16.ogg.import b/sfx/undo/jingles-saxophone_16.ogg.import
new file mode 100644
index 0000000..e757218
--- /dev/null
+++ b/sfx/undo/jingles-saxophone_16.ogg.import
@@ -0,0 +1,19 @@
+[remap]
+
+importer="oggvorbisstr"
+type="AudioStreamOggVorbis"
+uid="uid://cs2drft1a74sw"
+path="res://.godot/imported/jingles-saxophone_16.ogg-2a826dd03c8724fa27e6b96d58aa50df.oggvorbisstr"
+
+[deps]
+
+source_file="res://sfx/undo/jingles-saxophone_16.ogg"
+dest_files=["res://.godot/imported/jingles-saxophone_16.ogg-2a826dd03c8724fa27e6b96d58aa50df.oggvorbisstr"]
+
+[params]
+
+loop=false
+loop_offset=0
+bpm=0
+beat_count=0
+bar_beats=4