I'd never come across this one, and I thought I knew them all - thanks John.

I'll light a candle in the sky Interesting - I wonder if Bernie Taupin had ever heard this one when he wrote "Goodbye Norma Jean" with its line Like a candle in the wind    Or does the candle maybe from something Marilyn said one time, and they both got it from there.(Or from Macbeth of course - Out out brief candle)
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Undoubtedly Sydney Carter would have hated the idea of his songs not being freely available. He often said how he hoped that people would sing them and change them in the singing as and how they wished.