He's gotten to be a very good mandolin player.  I think he picked it up late in life like around 50 or so.  He's an impressive guy when you see all the hobbies he's into.  He cooks, he flies giant model airplanes competitively, he hammock camps in -40 degree weather....  He's livin' his best life and he never complains about anything.  That's rare.  The guy is awesome.