Kendall - this must be really disappointing but please don't give up too soon

Tell me where to go if you think I'm talking out of turn but how about "gig sharing" with someone prepared to do the whole gig if you can't.

There must be any number of young hopefuls waiting in the wings - nurture and support them while they support you.
Also pass on your knowledge through workshops and tutorials

Although they would hate to admit it , the young ones really do need those of us (of more mature years)who have the time to pass on their knowledge