Turk, I'm so sorry to hear of your illness, but I think you are doing things correctly (FWIW!): keep up with the music, not only will it help your hand coordination, but music is supposed to do great things in brain capacity, and it will raise your spirits, too.
Also I think you are right to keep up with Airstreaming. I am recovering from an unwanted divorce after a good 50-yr marriage and losing all my Airstreams in the divorce. I think the loss of Airstreaming and the companionship of AirForum and rally friends was worse than losing the previously greatly-loved husband!
Now I am back into Airstreaming with a '67
Caravel and feel the affection and good will of everyone who posts on this forum. Stay with those two great loves: music and Airstreams, and do what your medical advisers tell you, and I bet you will come out of this just fine!
Never give up!
Vivian