Hi Minnesota,
I augmented the subject line of your post bring in more discussion. I'd like to invite @IndianaScott @duvie @harriethodgson1 and @rmftucker to join this discussion about activities when abilities are limited.

Minnesota, how limited is your husband's hearing? Can he hear or feel music? Do headphones help? I'm wracking my brain for meaningful activities that would largely rely on gross motor skills. I wonder if @hopeful33250 might have some ideas or know of Parkinson's resources that you could research. Teresa, any tips?