Do you mean you have trouble getting your fingers to work or that you can't think of what keys to touch? I've played my entire life. Did recitals as a child.
I can't play anymore. :( I can pick out tunes with music in front of me, but not like I used to. I also cannot remember pieces I used to know by heart.
I had a photographic memory, and I have lost so much of that. I'm not sure if it's connected to lupus, as I haven't been diagnosed yet, but your post hit home with me for sure.
Osteoarthritis, bursitis, Cervical Disc Disease - pinched nerves, Raynaud's, migraines, severe anemia, severe allergies, anxiety & PTSD