play a bgm from resource/bgm folder each scene

NS.py

@@ -491,6 +491,7 @@ class Title(Animation):
         platform.set_glowing(platform.get_buttons_from_edges([self.UNLOCK_MOVES[self.unlock_index]]))
         self.get_game().chemtrails.activate()
         self.get_game().tony.set_frameset("static")
+        self.get_audio().play_bgm("title")
 
     def deactivate(self):
         self.active = False
@@ -1513,6 +1514,7 @@ class Boss(Animation):
             dialogue.set_name("Spoopy")
             self.spoopy.unhide()
             self.spoopy.set_frameset("normal")
+        self.get_audio().play_bgm(f"level_{index}")
         self.play(self.show_introduction_dialogue, delay=3000, play_once=True)
         self.get_game().platform.activate()
         self.get_game().chemtrails.activate()
@@ -2082,6 +2084,7 @@ class Ending(Animation):
         dialogue.set_name("???")
         dialogue.show_text("")
         self.play(self.start_wipe, delay=20000, play_once=True)
+        self.get_audio().play_bgm("end")
 
     def start(self):
         self.advance_prompt.cancel_first_press()

lib/pgfw

@@ -1 +1 @@
-Subproject commit 619a7dab3fe318d162bd747436b4bfd02c1b17bb
+Subproject commit 285181d23b789492b4b0186be1cacf160e89672a

resource/scores

@@ -19,3 +19,4 @@
 237842
 171298
 198296
+163454