The good news is that although there is some loss of memory, it is "spotty", but there is much he remembers. April says: "He cooks oatmeal for us every morning, and retains every bit of his keen sense of humor. He does not do much emailing, so it is best to email me at firstname.lastname@example.org if anyone wants to send him a message."
P.P.S With an aching back to prove I've been bending down, climbing up and generally poking through boxes of photographs in my so far futile attempt to locate a cherished photograph Dave sent a long time ago, I am forced to describe it for you instead of actually posting it.
Seated at two 9' Model D Steinways