About python gui-image and music

In this code, music plays first and the image comes out. how can I fix this code to play music with image at the same time?

pygame.mixer.init()
pygame.mixer.music.load("%s.mp3"%L3[0])
pygame.mixer.music.play()
while pygame.mixer.music.get_busy() == True:
continue

            window=tkinter.Tk()
            window.title('')
            window.geometry("640x400+100+100")
            window.resizable(True, True)

            image=tkinter.PhotoImage(file="%s.png"%L3[0])

            label=tkinter.Label(window, image=image)
            label.pack()

            window.mainloop()


            image=tkinter.PhotoImage(file="$s.png"%L3[0])

            label=tkinter.Label(window, image=image)
            label.pack()