Geez, I'd tell your neuro if you haven't already. What if it's not the MG?
I can only sort of relate, since I was a DJ in college. I guess it would be like me losing my sight (as a designer). Not good. Yeah, and terrifying.
It sounds to me like your brain had trouble getting words out, not that your mouth/jaw/tongue muscles were weak and that was the cause. Is that how it felt?
Just to be sure, go see your neuro. I'm sure, since you love to talk, that it could just be the MG since muscles get weaker the more they're used!
Annie