I was a fan of the Clancy Brothers and Tommy Makum when I was a kid. Tommy was out of place, tall and raw boned he didn't have the padding that the Clancy's had.
So I looked at my mothers kin tall raw boned and nasty as opposed to other relatives who were short well padded and nasty.
Are you writing about Harps as people or the musical instrument. I am currently writing a novel about the evil Harpe brothers whose parents came to the US in the middle 1700s. If you know anything about that please write, private message if you wish. However, it is suggested that the parents were Scots covenanters.