diff --git a/main.py b/main.py
index 593c466..a286a99 100644
--- a/main.py
+++ b/main.py
@@ -4,7 +4,7 @@ import sys
 pygame.init()
 pygame.mixer.init()
 
-WIDTH, HEIGHT = 1000, 800
+WIDTH, HEIGHT = 1920, 1080
 SCREEN = pygame.display.set_mode((WIDTH, HEIGHT))
 pygame.display.set_caption("Goblin & Knight")
 
@@ -16,14 +16,16 @@ GROUND_Y = HEIGHT - 60
 FPS = 60
 
 BACKGROUND = pygame.image.load("images/back.png")
+BACKGROUND = pygame.transform.scale(BACKGROUND, (WIDTH, HEIGHT))
 BACK_MAIN = pygame.image.load("images/back_main.jpg")
 BACK_MAIN = pygame.transform.scale(BACK_MAIN, (WIDTH, HEIGHT))
-ь
+
 BG_MUSIC = None
 try:
     BG_MUSIC = pygame.mixer.music
-    pygame.mixer.music.load('music/theme.mp3')
-    pygame.mixer.music.set_volume(0.5)
+    pygame.mixer.music.load('music/musica.mp3')
+    pygame.mixer.music.set_volume(1)
+    pygame.mixer.music.play(-1)
 except Exception:
     BG_MUSIC = None
 
diff --git a/music/musica.mp3 b/music/musica.mp3
new file mode 100644
index 0000000..a3052a2
Binary files /dev/null and b/music/musica.mp3 differ