Yo there Daithí.
Crowhugger, you beat me to it - well, I didn't see this until now.
Word perfect. As for the tuning; I do it DAFDAD and the way I worked it out it hardly differs from the chords in the 'No Little Boy' album.
John Martyn has a delightful habit of 'inventing' tunings to suit his purpose, which makes learning the guitar parts a bit like having a finished crossword in front of you where you have to work out the exact wording of the clues.
Oh many's the note we had in Eoin Moloney's in Scarriff, Co. Clare