save project

my_music.py

@@ -46,10 +46,13 @@ while True:
             else:
                 pygame.mixer.music.pause()
                 start = play_img
-
     if volume <=0:
         volume = 0
     if pygame.mixer.music.get_busy() == False:
+        nm+=1
+        if num>len(music_list)-1:
+            num=0
+        pygame.mixer.music.load(music_list[num])
         pygame.mixer.music.play()