I too have my doubts about banjo. Start small, with a shaky egg to get rhythm down, then move to whistle or recorder, where you don't have to move as many fingers at one time.

I bet you could get a government grant to cover the cost of a low whistle, which is so melodious and also might compensate for...well, you know.

As for 'Deliverance,' I've never seen the movie, but so far I've been in three beautiful places that claim to be the place 'where they actually filmed Deliverance.'