def METHOD_NAME(filename):
    """Export the new track, and deleted both tracks."""
    do_command("Select: Track=1 mode=Set")
    do_command("SelTrackStartToEnd")
    do_command(f"Export2: Filename={os.path.join(PATH, filename)} NumChannels=1.0")
    do_command("SelectAll")
    do_command("RemoveTracks")