diff --git a/.vscode/tasks.json b/.vscode/tasks.json
index 3873692..8669db6 100644
--- a/.vscode/tasks.json
+++ b/.vscode/tasks.json
@@ -11,17 +11,19 @@
         {
             "label": "Build & Run TIC80",
             "type": "shell",
-            "command": "make build && tic80 --fs=. impostor.lua"
+            "command": "make build && tic80 --fs=. impostor.lua",
+            "problemMatcher": []
         },
         {
             "label": "Export assets",
             "type": "shell",
-            "command": "make export_assets"
+            "command": "make export_assets",
+            "problemMatcher": []
         },
         {
             "label": "Make build",
             "type": "shell",
             "command": "make build"
-        },
+        }
     ]
 }
diff --git a/Makefile b/Makefile
index bc9d612..41c5fc2 100644
--- a/Makefile
+++ b/Makefile
@@ -164,6 +164,8 @@ export_assets:
 	@$(call f_export_asset_awk,MAP,$(OUTPUT),$(ASSETS_LUA))
 	@$(call f_export_asset_awk,SFX,$(OUTPUT),$(ASSETS_LUA))
 	@$(call f_export_asset_awk,WAVES,$(OUTPUT),$(ASSETS_LUA))
+	@$(call f_export_asset_awk,PATTERNS,$(OUTPUT),$(ASSETS_LUA))
+	@$(call f_export_asset_awk,TRACKS,$(OUTPUT),$(ASSETS_LUA))
 
 clean:
 	@rm -f $(PROJECT)-*.tic $(PROJECT)-*.html.zip $(PROJECT)-*-docs.zip $(PROJECT)-docs.zip $(OUTPUT) $(OUTPUT_ORIGINAL)
diff --git a/inc/audio/audio.manager.lua b/inc/audio/audio.manager.lua
index 2e9f0eb..b302fc7 100644
--- a/inc/audio/audio.manager.lua
+++ b/inc/audio/audio.manager.lua
@@ -23,7 +23,7 @@ function Audio.music_play_room_street_2() end
 function Audio.music_play_room_() end
 --- Plays room work music.
 --- @within Audio
-function Audio.music_play_room_work() end
+function Audio.music_play_room_work() music(0) end
 
 --- Plays select sound effect.
 ---  @within Audio
diff --git a/inc/meta/meta.assets.lua b/inc/meta/meta.assets.lua
index 563354f..97884b0 100644
--- a/inc/meta/meta.assets.lua
+++ b/inc/meta/meta.assets.lua
@@ -305,13 +305,15 @@
 -- 033:000000010002000300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000d40000000004
 -- 044:0600f6000620f6000600f6000610f600f600f6000600f600f600f600f6000600060006000600060006000600060006000600060006000600060006004600000f0f00
 -- 045:0000f0000020f0000000f0000010f000f000f0000000f000f000f000f0000000000000000000000000000000000000000000000000000000000000004600000f0f00
--- 057:000000010002000300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000d40000000004
--- 058:41004110410041104100411041004110c100c100c100c100c100c100c100c100c100c100c100c100c100c100c100c100c100c100c100c100c100c100100000080800
--- 059:000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000400000000000
+-- 048:090009000900090009000900090009000900090009000900090009000900090009000900090009000900090009000900090009000900090009000900400000000000
+-- 056:4100510061406140717081709100b100c100d100e100e100e100f100f100f100f100f100f100f100f100f100f100f100f100f100f100f100f100f100580000000600
+-- 057:000000010002000300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000c40000000004
+-- 058:41004110410041104100411041004110c100c100c100c100c100c100c100c100c100c100c100c100c100c100c100c100c100c100c100c100c100c100400000080800
+-- 059:000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000
 -- 060:220022002200820082008200820082008200820082008200820082008200820082008200820082008200820082008200820082008200820082008200100000000000
 -- 061:9f009f00bf00df00df00ef00ef00ef00ef00ef00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00400000000000
 -- 062:00000100010001000100510081008100910091009100a100a100a100a100a100b100b100b100b100c100c100c100d100d100d100e100e100e100f100484000000000
--- 063:00b000100000000000000000100060009000b000c000d000d000e000e000e000f000f000f000f000f000f000f000f000f000f000f000f000f000f000405000000000
+-- 063:00b000100000000000000000100060009000b000c000d000d000e000e000e000f000f000f000f000f000f000f000f000f000f000f000f000f000f000200000000000
 -- </SFX>
 -- <WAVES>
 -- 000:bcceefceedddddc84333121268abaa99
@@ -325,3 +327,11 @@
 -- 008:0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f
 -- 009:fff000fff000fff000fff000fff000ff
 -- </WAVES>
+-- <PATTERNS>
+-- 000:4008b50000000000000000001008c10000004008b50000001008c1000000000000000000e008b30000004008b50000001008c10000000008c10000000008c10000000000000000000000000000000000000000000000000000000000000000004008b50000000000000000001008c10000004008b50000001008c10000000008c1000000e008b30000004008b50000001008c10000000008c10000000008c10000000008c10000000008c10000000008c1000000000000000000000000000000
+-- 001:4008b50000000000000000001008c10000004008b50000001008c1000000000000000000e008b30000004008b50000001008c10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007008b50000007008b50000001008c10000007008b50000001008c10000000008c10000007008b50000009008b50000001008c10000009008b50000001008c10000009008b50000009008b50000001008c10000009008b50000001008c1000000
+-- 003:4008d30000000000000000000000000000000000000000004008d90000000000000000000000000000000000000000004008d30000000000000000000000000000004008d30000004008d90000000000000000000000000000000000000000004008d30000000000000000000000000000000000000000004008d90000000000000000000000000000000000000000004008d30000000000000000000000000000004008d30000004008d9000000000000000000000000000000000000000000
+-- </PATTERNS>
+-- <TRACKS>
+-- 000:100001200001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+-- </TRACKS>
diff --git a/inc/window/window.audiotest.lua b/inc/window/window.audiotest.lua
index 13de851..3c46419 100644
--- a/inc/window/window.audiotest.lua
+++ b/inc/window/window.audiotest.lua
@@ -1,11 +1,9 @@
 --- @section AudioTestWindow
-AudioTestWindow = {
-    index_menu = 1,
-    index_func = 1,
-    list_func = {},
-    menuitems = {},
-    last_pressed = false
-}
+AudioTestWindow.index_menu = 1
+AudioTestWindow.index_func = 1
+AudioTestWindow.list_func = {}
+AudioTestWindow.menuitems = {}
+AudioTestWindow.last_pressed = false
 
 --- Generates menu items for audio test.
 --- @within AudioTestWindow
diff --git a/inc/window/window.configuration.lua b/inc/window/window.configuration.lua
index 12392f4..938da45 100644
--- a/inc/window/window.configuration.lua
+++ b/inc/window/window.configuration.lua
@@ -1,8 +1,6 @@
 --- @section ConfigurationWindow
-ConfigurationWindow = {
-  controls = {},
-  selected_control = 1,
-}
+ConfigurationWindow.controls = {}
+ConfigurationWindow.selected_control = 1
 
 --- Initializes configuration window.
 --- @within ConfigurationWindow