diff --git a/app/src/main/java/com/helldivers/app/MainActivity.java b/app/src/main/java/com/helldivers/app/MainActivity.java
index cfb3af3..58a5299 100644
--- a/app/src/main/java/com/helldivers/app/MainActivity.java
+++ b/app/src/main/java/com/helldivers/app/MainActivity.java
@@ -1,6 +1,7 @@
 package com.helldivers.app;
 
 import android.content.Intent;
+import android.media.MediaPlayer;
 import android.os.Bundle;
 import android.view.View;
 import android.widget.Button;
@@ -13,7 +14,9 @@ public class MainActivity extends AppCompatActivity {
     private SoundManager soundManager;
     private Button btnQrInstagram;
     private Button btnMinijuego;
+    private Button btnMusic;
     private ImageButton btnUp, btnDown, btnLeft, btnRight;
+    private MediaPlayer mediaPlayer;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -32,6 +35,7 @@ public class MainActivity extends AppCompatActivity {
         btnDown = findViewById(R.id.btn_down);
         btnLeft = findViewById(R.id.btn_left);
         btnRight = findViewById(R.id.btn_right);
+        btnMusic = findViewById(R.id.btn_music);
 
         if (btnQrInstagram != null) {
             btnQrInstagram.setOnClickListener(v -> {
@@ -45,6 +49,10 @@ public class MainActivity extends AppCompatActivity {
             });
         }
 
+        if (btnMusic != null) {
+            btnMusic.setOnClickListener(v -> toggleMusic());
+        }
+
         View.OnClickListener arrowSoundListener = v -> {
             if (soundManager != null) {
                 try { soundManager.playButtonClick(); } catch (Exception e) {}
@@ -57,6 +65,31 @@ public class MainActivity extends AppCompatActivity {
         if (btnRight != null) btnRight.setOnClickListener(arrowSoundListener);
     }
 
+    private void toggleMusic() {
+        if (mediaPlayer == null) {
+            mediaPlayer = MediaPlayer.create(this, R.raw.ost);
+            mediaPlayer.setOnCompletionListener(mp -> {
+                stopMusic();
+            });
+        }
+
+        if (mediaPlayer.isPlaying()) {
+            stopMusic();
+        } else {
+            mediaPlayer.start();
+            btnMusic.setAlpha(0.5f); // Efecto visual de activado
+        }
+    }
+
+    private void stopMusic() {
+        if (mediaPlayer != null) {
+            mediaPlayer.stop();
+            mediaPlayer.release();
+            mediaPlayer = null;
+            btnMusic.setAlpha(1.0f); // Restaurar opacidad
+        }
+    }
+
     @Override
     protected void onResume() {
         super.onResume();
@@ -72,6 +105,7 @@ public class MainActivity extends AppCompatActivity {
     @Override
     protected void onDestroy() {
         super.onDestroy();
+        stopMusic();
         if (soundManager != null) soundManager.release();
     }
 }
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_game.xml b/app/src/main/res/layout/activity_game.xml
index 88be895..cd1858e 100644
--- a/app/src/main/res/layout/activity_game.xml
+++ b/app/src/main/res/layout/activity_game.xml
@@ -57,6 +57,7 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_centerInParent="true"
+        android:translationY="30dp"
         android:gravity="center_vertical"
         android:orientation="horizontal">
 
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index bb1d670..abb574e 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -60,6 +60,7 @@
         android:layout_height="wrap_content"
         android:layout_centerInParent="true"
         android:layout_marginTop="40dp"
+        android:translationY="30dp"
         android:rowCount="3"
         android:columnCount="3"
         android:padding="8dp">
@@ -128,4 +129,19 @@
 
     <!-- Footer - Versión abajo centro -->
 
+    <!-- Botón Música - Derecha, nivelado con el botón de la derecha -->
+    <Button
+        android:id="@+id/btn_music"
+        android:layout_width="56dp"
+        android:layout_height="56dp"
+        android:layout_alignParentEnd="true"
+        android:layout_alignBottom="@id/buttons_grid"
+        android:layout_marginEnd="16dp"
+        android:layout_marginBottom="20dp"
+        android:background="@drawable/btn_helldivers_primary"
+        android:text="♪"
+        android:textColor="#FFFFFF"
+        android:textSize="24sp"
+        android:textStyle="bold" />
+
 </RelativeLayout>
\ No newline at end of file
diff --git a/app/src/main/res/raw/ost.mp3 b/app/src/main/res/raw/ost.mp3
new file mode 100644
index 0000000..d3cbc1e
Binary files /dev/null and b/app/src/main/res/raw/ost.mp3 differ