He and I chatted 3 or 4 months before his death[ Chippenham Festival , he showed me his empty diary and said to me,I do not think Ireland will be MY Salvation.
I was in the process of moving from the uk to Ireland.Peter was a fine artist and a talented writer and vibrant performer,, he suffered from depression, he might have been manic depressive or bi polar. but his music lives on
I think he would advise any singer including Jon Boden to develop their own style.