diff --git a/Makefile b/Makefile
index 701c78e..5c03b6d 100644
--- a/Makefile
+++ b/Makefile
@@ -61,7 +61,8 @@ CXXFLAGS	:= $(CFLAGS)
 ASFLAGS	:=	-g $(ARCH)
 LDFLAGS	=	-g $(ARCH) $(RPXSPECS) -Wl,-Map,$(notdir $*.map)
 
-LIBS	:= -lSDL2 -lSDL2_ttf -lfreetype -lharfbuzz -lfreetype -lpng -lbz2 -lz -lmocha -lwut
+LIBS := -lSDL2_mixer -lSDL2 -lSDL2_ttf -lfreetype -lharfbuzz -lfreetype -lpng -lbz2 \
+		-lz -lmodplug -lmpg123 -logg -lmocha -lwut
 
 #-------------------------------------------------------------------------------
 # list of directories containing libraries, this must be the top level
@@ -188,13 +189,11 @@ $(OFILES_SRC)	: $(HFILES_BIN)
 	@$(bin2o)
 
 #-------------------------------------------------------------------------------
-%.bdf.o	%_bdf.h :	%.bdf
+%.ogg.o	%_ogg.h :	%.ogg
 #-------------------------------------------------------------------------------
 	@echo $(notdir $<)
 	@$(bin2o)
 
--include $(DEPENDS)
-
 #-------------------------------------------------------------------------------
 endif
 #-------------------------------------------------------------------------------
\ No newline at end of file
diff --git a/data/nightkingale.ogg b/data/nightkingale.ogg
new file mode 100644
index 0000000..5fca1b3
Binary files /dev/null and b/data/nightkingale.ogg differ
diff --git a/include/audio.hpp b/include/audio.hpp
new file mode 100644
index 0000000..07db615
--- /dev/null
+++ b/include/audio.hpp
@@ -0,0 +1,8 @@
+#ifndef AUDIO_HPP
+#define AUDIO_HPP
+
+
+void play_easter_egg();
+
+
+#endif
\ No newline at end of file
diff --git a/source/audio.cpp b/source/audio.cpp
new file mode 100644
index 0000000..3774beb
--- /dev/null
+++ b/source/audio.cpp
@@ -0,0 +1,30 @@
+#include <SDL2/SDL.h>
+#include <SDL2/SDL_mixer.h>
+
+#include "nightkingale_ogg.h"
+
+
+bool play_easter_egg() {
+    // Initialize SDL_mixer.
+    if (Mix_OpenAudio(44100, MIX_DEFAULT_FORMAT, 2, 2048) < 0) {
+        return false;
+    }
+
+    // Load the OGG file.
+    SDL_RWops *rw = SDL_RWFromConstMem(nightkingale_ogg, nightkingale_ogg_size);
+    Mix_Music *music = Mix_LoadMUS_RW(rw, 1);
+
+    // Play the music once.
+    Mix_PlayMusic(music, 1);
+
+    // Wait for the music to finish.
+    while (Mix_PlayingMusic()) {
+        SDL_Delay(100);
+    }
+
+    // Clean up.
+    Mix_FreeMusic(music);
+    Mix_CloseAudio();
+
+    return true;
+}
\ No newline at end of file
diff --git a/source/input.cpp b/source/input.cpp
index 6134139..2016257 100644
--- a/source/input.cpp
+++ b/source/input.cpp
@@ -24,7 +24,8 @@ int read_input() {
         VPAD_BUTTON_A,
         VPAD_BUTTON_B,
         VPAD_BUTTON_UP,
-        VPAD_BUTTON_DOWN
+        VPAD_BUTTON_DOWN,
+        VPAD_BUTTON_SYNC
     };
 
     // Wii Remote buttons.
@@ -32,7 +33,8 @@ int read_input() {
         WPAD_BUTTON_A,
         WPAD_BUTTON_B,
         WPAD_BUTTON_UP,
-        WPAD_BUTTON_DOWN
+        WPAD_BUTTON_DOWN,
+        0 // WPAD_BUTTON_SYNC does not exist.
     };
 
     // Wii Classic Controller buttons.
@@ -40,7 +42,8 @@ int read_input() {
         WPAD_CLASSIC_BUTTON_A,
         WPAD_CLASSIC_BUTTON_B,
         WPAD_CLASSIC_BUTTON_UP,
-        WPAD_CLASSIC_BUTTON_DOWN
+        WPAD_CLASSIC_BUTTON_DOWN,
+        0 // WPAD_CLASSIC_BUTTON_SYNC does not exist.
     };
 
     // Wii U Pro Controller buttons.
@@ -48,7 +51,8 @@ int read_input() {
         WPAD_PRO_BUTTON_A,
         WPAD_PRO_BUTTON_B,
         WPAD_PRO_BUTTON_UP,
-        WPAD_PRO_BUTTON_DOWN
+        WPAD_PRO_BUTTON_DOWN,
+        0 // WPAD_PRO_BUTTON_SYNC does not exist.
     };
 
     // Iterate over all 4 KPAD channels and check for button presses.
diff --git a/source/main.cpp b/source/main.cpp
index cc58d03..34e0e7d 100644
--- a/source/main.cpp
+++ b/source/main.cpp
@@ -18,6 +18,7 @@
 #include <whb/log_console.h>
 #include <whb/proc.h>
 
+#include "audio.hpp"
 #include "backup.hpp"
 #include "input.hpp"
 #include "main.hpp"
@@ -217,6 +218,8 @@ int main() {
                     }
                     break;
             }
+        } else if (button == VPAD_BUTTON_SYNC) {
+            play_easter_egg();
         }
     }