fix: la musica del mode DEMO no era la correcta

source/game.cpp

@@ -151,7 +151,7 @@ void Game::update()
 		}
 		DEMO_checkRoomChange();
 		scoreboard_->update();
-
+		keepMusicPlaying();
 		updateBlackScreen();
 
 		Screen::get()->update();
@@ -699,3 +699,15 @@ void Game::DEMO_checkRoomChange()
 		}
 	}
 }
+
+// Hace sonar la música
+void Game::keepMusicPlaying()
+{
+	const std::string music_path = mode_ == GameMode::GAME ? "game.ogg" : "title.ogg";
+    
+	// Si la música no está sonando
+    if (JA_GetMusicState() == JA_MUSIC_INVALID || JA_GetMusicState() == JA_MUSIC_STOPPED)
+    {
+        JA_PlayMusic(Resource::get()->getMusic(music_path));
+    }
+}

source/game.h

@@ -157,6 +157,9 @@ private:
 	// DEMO MODE: Comprueba si se ha de cambiar de habitación
 	void DEMO_checkRoomChange();
 
+	// Hace sonar la música
+	void keepMusicPlaying();
+
 public:
 	// Constructor
 	Game(GameMode mode);