Learning to sing again after a brush with death

It was a gathering of the neurologically diminished and the diminishing, and it was sad and funny and moving. Halfway through 'God Defend New Zealand' one singer stood to make it easier to remove his jacket. For a moment he swayed alarmingly, but the two men sitting next to him, each with a sway of their own, leapt to his aid and the three of them embraced in an intimate, sinuous, jacket-removing dance that lasted most of the anthem.