def split_song_header(song_header):
    """Split the song title in half, to retrieve its artist an name.

    Examples::

        >>> song_header = 'Daughter:Run Lyrics'
        >>> split_song_header(song_header)
            (Daughter, Run)

    Args:
        song_header (string): song header / title to split

    Returns:
        tuple: artist name and song name.

    """
    song_parts = song_header.split(':')
    artist_name = song_parts[0].strip()
    song_name = song_parts[-1].replace(' Lyrics', '').strip()
    return artist_name, song_name