TO SQUASH: Added player gun and pause.

Assets/Scripts/Game/MusicManager.cs

@@ -14,6 +14,8 @@ public class MusicManager : MonoBehaviour
 
     private Queue<AudioClip> clipsQueue;
 
+    private bool isPaused = false;
+
     // Start is called once before the first execution of Update after the MonoBehaviour is created
     void Start()
     {
@@ -28,7 +30,7 @@ public class MusicManager : MonoBehaviour
     // Update is called once per frame
     void FixedUpdate()
     {
-	    if (audioSource.isPlaying == false)
+	    if (audioSource.isPlaying == false && !isPaused)
         {
 	        audioSource.clip = clipsQueue.Dequeue();
             audioSource.Play();
@@ -48,4 +50,16 @@ public class MusicManager : MonoBehaviour
         clipsQueue.Enqueue(loop);
         clipsQueue.Enqueue(outro);
     }
+
+    public void pauseMusic()
+    {
+        audioSource.Pause();
+        isPaused = true;
+    }
+
+    public void resumeMusic()
+    {
+        audioSource.UnPause();
+        isPaused = false;
+    }
 }