diff --git a/mods/arena/actors/skybox_blimpcity_geo.bin b/mods/arena/actors/skybox_blimpcity_geo.bin
new file mode 100644
index 00000000..85771f2d
Binary files /dev/null and b/mods/arena/actors/skybox_blimpcity_geo.bin differ
diff --git a/mods/arena/arena-skybox.lua b/mods/arena/arena-skybox.lua
new file mode 100644
index 00000000..4525c9bc
--- /dev/null
+++ b/mods/arena/arena-skybox.lua
@@ -0,0 +1,26 @@
+local E_MODEL_SKYBOX_BLIMPCITY = smlua_model_util_get_id("skybox_blimpcity_geo")
+
+local function bhv_skybox_init(o)
+    o.oFlags = OBJ_FLAG_UPDATE_GFX_POS_AND_ANGLE
+    o.header.gfx.skipInViewCheck = true
+    obj_scale(o, 10.0)
+end
+
+local function bhv_skybox_loop(o)
+    vec3f_to_object_pos(o, gLakituState.pos)
+end
+
+id_bhvSkybox = hook_behavior(nil, OBJ_LIST_LEVEL, false, bhv_skybox_init, bhv_skybox_loop)
+
+local function on_level_init()
+    if gNetworkPlayers[0].currLevelNum == LEVEL_ARENA_CITY then
+        spawn_non_sync_object(
+            id_bhvSkybox,
+            E_MODEL_SKYBOX_BLIMPCITY,
+            gLakituState.pos.x, gLakituState.pos.y, gLakituState.pos.z,
+            nil
+        )
+    end
+end
+
+hook_event(HOOK_ON_LEVEL_INIT, on_level_init)
diff --git a/mods/arena/arena-sound.lua b/mods/arena/arena-sound.lua
index 4e374120..fc932785 100644
--- a/mods/arena/arena-sound.lua
+++ b/mods/arena/arena-sound.lua
@@ -9,13 +9,9 @@ local audioMain = nil --Used for the main audio
 local audioSpecial = nil --Used for things like cap music
 local audioCurSeq = nil
 local bgms = {
-	[50] =         {audio='arena.ogg',   loopEnd = 112.583, loopStart = 19.928, volume = -5, name="Mako Reactor - Final Fantasy 7" }, --B1
-	[52] =         {audio='arena.ogg',   loopEnd = 112.583, loopStart = 19.928, volume = -5, name="Mako Reactor - Final Fantasy 7" }, --B1
-	[53] =         {audio='arena.ogg',   loopEnd = 112.583, loopStart = 19.928, volume = -5, name="Mako Reactor - Final Fantasy 7" }, --B1
-	[54] =         {audio='arena.ogg',   loopEnd = 112.583, loopStart = 19.928, volume = -5, name="Mako Reactor - Final Fantasy 7" }, --
-	[55] =         {audio='snow.ogg',    loopEnd = 500,     loopStart = 0,      volume = -5, name="Frosty Citadel - Sonic Gaiden" }, --B1
-	[56] =         {audio='rainbow.ogg', loopEnd = 148.657, loopStart = 12.406, volume = -5, name="Rainbow Road - Coop Deluxe" }, --B1
-	[57] =         {audio='city.ogg',    loopEnd = 500,     loopStart = 06.975, volume = -5, name="City Outskirts - Sonic Megamix"}, --B2
+	[55] =         {audio='snow.ogg',    loopEnd = 500,     loopStart = 0,      volume = -5, name="Frosty Citadel - Sonic Gaiden"  }, -- Spire
+	[56] =         {audio='rainbow.ogg', loopEnd = 148.657, loopStart = 12.406, volume = -5, name="Rainbow Road - Coop Deluxe"     }, -- Rainbow
+	[57] =         {audio='city.ogg',    loopEnd = 500,     loopStart = 06.975, volume = -5, name="City Outskirts - Sonic Megamix" }  -- City
 }
 
 -- disable cap music
diff --git a/mods/arena/sound/arena.ogg b/mods/arena/sound/arena.ogg
deleted file mode 100644
index c76e6032..00000000
Binary files a/mods/arena/sound/arena.ogg and /dev/null differ