Trying to code a music player in Python (not really convenient ik) just to clarify some concepts of OOP and mainly for fun. I'd like to split the class into multiple modules, in particular methods like play, stop, next etc. Could anyone explain how to do that? Thanks in advance. Code here

class App(tk.Tk):

    NAME = "Improved Disco"
    WIDTH = 700
    HEIGHT = 500
    PATH = os.path.dirname(os.path.realpath(__file__))

    def __init__(self):
        super().__init__()

        self.title(App.NAME)
        self.geometry(str(App.WIDTH) + "x" + str(App.HEIGHT))
        # self.minsize(App.WIDTH, App.HEIGHT)
        self.resizable(False, False)
        self.iconphoto(False, tk.PhotoImage(file='music_player.png'))

...

   def add_songs(self):
      ...
   def play(self):
      ...