Sorry, been away for a while since posting. What an amazing amount of knowledge! I will accept the majority view that it's a duclimer whether Lincolnshire or traditional Cumberland.
Here's the tab I found for anyone who wishes to try it out on the guitar. Stu is right, sitting over the sound hole changes the sound as you hear it, but I also think the way your fingers (and thumb) and the strings interact is different. The sound is thinner and more twangy - probably the different vibrato (as per Jeff Healey). The Barnsley crew posted by Gerry seem to confirm it. Pity they are touring cos I am working in nearby Sheffield at the mo'. Have a go!
INTRO: C F Am G Am F Em Dm C e||------------------------------------------------------------- B||-5---10----13---12-13--10-10---10-10---8--8---8-8--6---5-5-3- G||-0----0-----0----0--0---0--0----0--0---0--0---0-0--0---0-0-0- D||------------------------------------------------------------- A||-3----8----12---10-12---8--8----8--8---7--7---7-7--5---3-3-2- E||-------------------------------------------------------------
G C Am7 G G Am7 G G G G e|--------------------------------------- B|--3--5---1---1-p0--0--1---3-3--3-3----- G|--0--0---0---0-----0--0---0-0--0-0--0-0 D|-------------------0--0---------------- A|--2--3---0---0------------2-2--2-2----- E|-------------------3--3----------------
This is just the intro but the song is played using the same chord shapes just in a different order (C, G , Am7 is the first line of the verse, for instance). If you want, I'll post the whole thing.