Lately he has been struggling with a condition which has affected his mobility, strength and, for a time, his guitar playing.
"I am still able to get a lot of enjoyment out of playing, to the point that, last year, I decided to buy a better guitar."
He has re-evaluated, looking at what he can do, rather than what his new limits are. Fortunately, music is still his passion and he retains his musicality and skill, even if he has lost some of his speed. People can expect a high standard of playing when he performs on June 16.
"I'll do two half-hour sets and keep it really informal," he says. "I'll talk between pieces and try and make it fun."
Jack and Lucas will be at the concert so people can meet the people the fundraising is for.
"It's always been a community effort for the funding so I'll do it while I still can."
While the concert is for Jack and Lucas, Nigel is looking forward to playing for people who would not normally hear his music.
"It'll be nice to share it, but it's not about me. If I have a skill that can raise a bit of money for them, then that's cool. I'm not promising perfection, but I am promising a nice range of styles from across the centuries."
The concert includes a "sumptuous" afternoon tea on Sunday, June 16, 2-4pm, in the dining area at the Quaker Settlement, 76 Virginia Rd.
Tickets are $25 from Jude Clifton on 027 636 1529. Numbers are limited and there are no door sales.