I was surfing around youtube to see if anybody had a clip of an old song called Five Foot Two, Eyes of Blue (originally done by Gene Austin in 1926, but has had many versions done of it by various artists), and found this great video of what looks like a father and a son performing it (link): http://www.youtube.com/watch?v=_c-AD8_nwPY&search=five%20foot%20two