Thanks all for these responses.
i have nothing profound to add. Only, keep playing. To whatever level.
I would not have believed 10 years ago that I would still be able to play and sing to this (not very high) standard. It gives me enormous pleasure and occasionally others too.
It is well worth comparing the effects of the different meds we have to take.
L dopa was great for gait but by the time I hit the the really high doses the dyskinesia made it impossible to play . Then apomorphine alone. The results of this can be seen in my YouTube channel,. Look for the Dyskinetic Guitarist and then find my other attempts.
now I have had DBS and I have glimpses of almost 100% dexterity.
never give up. If you stay musical you'll never regret it