diff --git a/data/map/01.tmx b/data/map/01.tmx
index 42a816e..c27b641 100644
--- a/data/map/01.tmx
+++ b/data/map/01.tmx
@@ -12,17 +12,17 @@
 0,18,19,20,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
 0,50,51,52,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,18,19,20,0,
 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,50,51,52,0,
-0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,159,160,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,259,0,0,0,
-0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,191,192,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,259,0,0,0,
-0,0,0,0,0,0,0,263,264,0,0,0,0,0,0,0,0,257,258,0,0,0,0,0,0,0,0,0,263,264,0,0,0,0,0,0,259,0,0,0,
-0,0,0,0,0,0,0,295,296,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,265,266,0,0,0,0,0,0,259,0,0,0,
-0,263,264,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,259,0,0,0,
-0,295,296,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,577,578,579,580,581,582,0,0,0,0,0,0,259,0,0,259,0,0,0,
-0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,189,190,0,0,0,0,0,0,0,0,259,0,0,259,0,0,0,
-0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,577,578,579,580,581,582,0,0,0,0,0,0,259,0,0,259,0,0,0,
-0,0,0,0,239,240,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,189,190,0,0,0,265,266,0,0,0,259,0,0,259,0,0,0,
-0,0,0,257,258,257,258,0,0,0,0,0,0,0,0,0,0,0,0,0,0,577,578,579,580,581,582,0,0,0,0,0,0,259,0,0,259,0,0,0,
-0,0,0,289,290,289,290,0,0,0,0,577,578,579,580,581,582,0,0,0,0,0,0,189,190,0,0,0,0,0,0,0,0,259,0,0,259,0,0,0,
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,159,160,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,191,192,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,263,264,0,0,0,0,0,0,0,0,257,258,0,0,0,0,0,0,0,297,0,0,0,0,0,0,263,264,0,0,0,0,0,
+0,0,0,0,0,0,0,295,296,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,265,266,0,0,0,0,0,
+0,263,264,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+0,295,296,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,577,578,579,580,581,582,0,0,0,0,0,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,189,190,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,577,578,579,580,581,582,0,0,0,0,0,0,0,0,0,0,0,0,0,
+0,0,0,0,239,240,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,189,190,0,0,0,0,0,0,0,0,265,266,0,0,0,0,0,
+0,0,0,257,258,257,258,0,0,0,0,0,0,0,0,0,0,0,0,0,0,577,578,579,580,581,582,0,0,0,0,0,0,0,0,0,0,0,0,0,
+0,0,0,289,290,289,290,0,0,0,0,577,578,579,580,581,582,0,0,0,0,0,0,189,190,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
 0,0,0,0,0,0,0,0,0,0,0,0,0,189,190,0,0,0,0,0,0,577,578,579,580,581,582,0,0,0,0,0,0,0,0,0,0,0,0,0,
 0,0,0,0,0,0,0,0,0,0,0,0,0,189,190,0,0,0,0,0,0,0,0,189,190,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
 263,264,0,0,0,0,0,193,194,0,0,0,0,189,190,0,0,0,0,0,0,0,281,282,277,278,279,280,0,0,0,0,0,0,0,0,0,0,0,0,
diff --git a/data/map/surface.tsx b/data/map/surface.tsx
index 58e3c78..eccee8d 100644
--- a/data/map/surface.tsx
+++ b/data/map/surface.tsx
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<tileset version="1.9" tiledversion="1.9.1" name="surface" tilewidth="8" tileheight="8" tilecount="1024" columns="32">
- <image source="./surface.png" width="256" height="256"/>
+<tileset version="1.9" tiledversion="1.9.1" name="tiles_surface" tilewidth="8" tileheight="8" tilecount="1024" columns="32">
+ <image source="surface.png" width="256" height="256"/>
 </tileset>
diff --git a/data/player/player.ani b/data/player/player.ani
index d04d55e..262ddc0 100644
--- a/data/player/player.ani
+++ b/data/player/player.ani
@@ -6,7 +6,7 @@ tile_height=24
 name=stand
 speed=8
 loop=yes
-frames=0,1,2,2,1,0,0,1,2,2,1,0,0,1,2,2,1,0,0,1,2,2,1,0,0,1,2,3,4,5,6,7,0,0,0,0
+frames=0,1,2,2,1,0,0,1,2,2,1,0,0,1,2,2,1,0,0,1,2,2,1,0,0,1,2,3,4,5,4,5,5,5,6,6,7,7,0,0
 [/animation]
 
 [animation]
diff --git a/source/enemy.cpp b/source/enemy.cpp
index c6595c5..7d5ae41 100644
--- a/source/enemy.cpp
+++ b/source/enemy.cpp
@@ -15,11 +15,8 @@ Enemy::Enemy(enemy_t enemy)
     sprite = new AnimatedSprite(texture, renderer, asset->get(enemy.animation));
 
     // Obten el resto de valores
-    x1 = enemy.x1;
-    x2 = enemy.x2;
-    y1 = enemy.y1;
-    y2 = enemy.y2;
-    color = enemy.color;
+    p1 = enemy.p1;
+    p2 = enemy.p2;
     sprite->setPosX(enemy.x);
     sprite->setPosY(enemy.y);
     sprite->setVelX(enemy.vx);
@@ -63,13 +60,13 @@ void Enemy::update()
 // Comprueba si ha llegado al limite del recorrido para darse media vuelta
 void Enemy::checkPath()
 {
-    if (sprite->getPosX() > x2 || sprite->getPosX() < x1)
+    if (sprite->getPosX() > p2.x || sprite->getPosX() < p1.x)
     {
         sprite->setVelX(sprite->getVelX() * (-1));
         sprite->flip();
     }
 
-    if (sprite->getPosY() > y2 || sprite->getPosY() < y1)
+    if (sprite->getPosY() > p2.y || sprite->getPosY() < p1.y)
     {
         sprite->setVelY(sprite->getVelY() * (-1));
         sprite->flip();
diff --git a/source/enemy.h b/source/enemy.h
index 42e35e7..61ee167 100644
--- a/source/enemy.h
+++ b/source/enemy.h
@@ -22,11 +22,8 @@ struct enemy_t
 	float y;				// Posición inicial en el eje Y
 	float vx;				// Velocidad en el eje X
 	float vy;				// Velocidad en el eje Y
-	int x1;					// Limite izquierdo de la ruta en el eje X
-	int x2;					// Limite derecho de la ruta en el eje X
-	int y1;					// Limite superior de la ruta en el eje Y
-	int y2;					// Limite inferior de la ruta en el eje Y
-	color_t color;			// Color del enemigo
+	SDL_Point p1;			// Punto 1 (inicial) de la ruta
+	SDL_Point p2;			// Punto 2 (final) de la ruta
 };
 
 // Clase Enemy
@@ -37,11 +34,8 @@ private:
 	Asset *asset;			// Objeto con la ruta a todos los ficheros de recursos
 	LTexture *texture;		// Textura con los graficos del enemigo
 	AnimatedSprite *sprite; // Sprite del enemigo
-	color_t color;			// Color del enemigo
-	int x1;					// Limite izquierdo de la ruta en el eje X
-	int x2;					// Limite derecho de la ruta en el eje X
-	int y1;					// Limite superior de la ruta en el eje Y
-	int y2;					// Limite inferior de la ruta en el eje Y
+	SDL_Point p1;			// Punto 1 (inicial) de la ruta
+	SDL_Point p2;			// Punto 2 (final) de la ruta
 	SDL_Rect collider;		// Caja de colisión
 
 	// Comprueba si ha llegado al limite del recorrido para darse media vuelta
diff --git a/source/game.cpp b/source/game.cpp
index dac19c2..02a6967 100644
--- a/source/game.cpp
+++ b/source/game.cpp
@@ -13,6 +13,7 @@ Game::Game(SDL_Renderer *renderer, Asset *asset, Screen *screen, Input *input)
     map = new Map(asset->get("01.map"), renderer, asset);
     player = new Player(renderer, asset, input, map);
     debugText = new Text(asset->get("debug.png"), asset->get("debug.txt"), renderer);
+    music = JA_LoadMusic(asset->get("music_surface.ogg").c_str());
 }
 
 // Destructor
@@ -22,6 +23,7 @@ Game::~Game()
     delete map;
     delete player;
     delete debugText;
+    JA_DeleteMusic(music);
 }
 
 // Bucle para el juego
@@ -29,6 +31,8 @@ section_t Game::run()
 {
     init();
 
+    JA_PlayMusic(music);
+
     while (section.name == SECTION_PROG_GAME)
     {
         // Sección juego jugando
@@ -39,6 +43,8 @@ section_t Game::run()
         }
     }
 
+    JA_StopMusic();
+
     return section;
 }
 
diff --git a/source/game.h b/source/game.h
index 6f8b74d..14a25a9 100644
--- a/source/game.h
+++ b/source/game.h
@@ -26,6 +26,7 @@ private:
 	Map *map;				 // Objeto encargado de gestionar el mapeado del juego
 	Player *player;			 // Objeto para gestionar el jugador
 	bool debug;				 // Indica si esta activo el modo de depuración
+	JA_Music music;			 // Contiene la musica que se reproduce durante el juego
 
 	// Actualiza el juego, las variables, comprueba la entrada, etc.
 	void update();
diff --git a/source/map.cpp b/source/map.cpp
index 497cdcb..9e056c4 100644
--- a/source/map.cpp
+++ b/source/map.cpp
@@ -234,19 +234,19 @@ bool Map::setEnemy(enemy_t *enemy, std::string var, std::string value)
     }
     else if (var == "x1")
     {
-        enemy->x1 = std::stoi(value) * tile_size;
+        enemy->p1.x = std::stoi(value) * tile_size;
     }
     else if (var == "x2")
     {
-        enemy->x2 = std::stoi(value) * tile_size;
+        enemy->p2.x = std::stoi(value) * tile_size;
     }
     else if (var == "y1")
     {
-        enemy->y1 = std::stoi(value) * tile_size;
+        enemy->p1.y = std::stoi(value) * tile_size;
     }
     else if (var == "y2")
     {
-        enemy->y2 = std::stoi(value) * tile_size;
+        enemy->p2.y = std::stoi(value) * tile_size;
     }
     else if (var == "[/enemy]")
     {
diff --git a/source/prog.cpp b/source/prog.cpp
index 6d55dce..b5fa36a 100644
--- a/source/prog.cpp
+++ b/source/prog.cpp
@@ -70,7 +70,7 @@ Prog::~Prog()
 // Inicializa JailAudio
 void Prog::initJailAudio()
 {
-	JA_Init(48000, AUDIO_S16, 2);
+	JA_Init(44100, AUDIO_S16, 2);
 }
 
 // Arranca SDL y crea la ventana