diff --git a/audio/music/rumble_revolution_demo.ogg b/audio/music/rumble_revolution_demo.ogg
new file mode 100644
index 0000000..a1aa951
Binary files /dev/null and b/audio/music/rumble_revolution_demo.ogg differ
diff --git a/audio/music/rumble_revolution_demo.ogg.import b/audio/music/rumble_revolution_demo.ogg.import
new file mode 100644
index 0000000..6b18a36
--- /dev/null
+++ b/audio/music/rumble_revolution_demo.ogg.import
@@ -0,0 +1,15 @@
+[remap]
+
+importer="ogg_vorbis"
+type="AudioStreamOGGVorbis"
+path="res://.import/rumble_revolution_demo.ogg-bb830ea2a0fa56e35cfa032257ded687.oggstr"
+
+[deps]
+
+source_file="res://audio/music/rumble_revolution_demo.ogg"
+dest_files=[ "res://.import/rumble_revolution_demo.ogg-bb830ea2a0fa56e35cfa032257ded687.oggstr" ]
+
+[params]
+
+loop=true
+loop_offset=0
diff --git a/menus/marathon_results.gd b/menus/marathon_results.gd
index e0d0c45..bb062a6 100644
--- a/menus/marathon_results.gd
+++ b/menus/marathon_results.gd
@@ -6,6 +6,7 @@ onready var shards: Label = $"%Shards"
 
 
 func _ready() -> void:
+	Audio.play_music(load("res://audio/music/rumble_revolution_demo.ogg"))
 	score.text = score.text % Game.marathon_score
 	shards.text = shards.text % Game.marathon_shards
 	Fade.fade_in()
diff --git a/menus/marathon_start.gd b/menus/marathon_start.gd
index 96464de..1d990d2 100644
--- a/menus/marathon_start.gd
+++ b/menus/marathon_start.gd
@@ -13,6 +13,7 @@ onready var difficulty_buttons := [
 
 
 func _ready() -> void:
+	Audio.play_music(load("res://audio/music/rumble_revolution_demo.ogg"))
 	yield(get_tree(), "idle_frame")
 	difficulty_buttons[Game.difficulty].grab_focus()
 	Fade.fade_in()