'Return a string with the now playing info (Artist - Song Title).'

def now_playing(self):

    info = self.get_info()
    now_playing = ''
    if info:
        status = info['State']
        if (self.status != status):
            self.status = status
            if (self.status == 'PLAY'):
                self.layout.colour = self.play_color
            else:
                self.layout.colour = self.noplay_color
        title = info['SongTitle']
        artist = info['Artist']
        if (title and artist):
            now_playing = '\xe2\x99\xab    {0}    -    {1}'.format(artist, title)
        elif title:
            now_playing = '\xe2\x99\xab    {0}'.format(title)
        else:
            basename = os.path.basename(info['File'])
            filename = os.path.splitext(basename)[0]
            now_playing = '\xe2\x99\xab    {0}'.format(filename)
        if (self.status == 'STOP'):
            now_playing = '\xe2\x99\xab'
    return now_playing
