& scroll down to "Sligo Indians"
The Mixolydian setting is similar to what I heard some years ago from Laurence Nugent, who of course added a whole lot of his wild syncopated variations, because he can.
Hearing Tony himself play it last night (thanks to Dean Karres, http://www.pipers-hut.com), I was surprised to find it’s minor. The following is simplified considerably from track 6 on his CD of the same name:
T:The Sligo Indians
Add Ada|gef dcA|Add Ada|fgg aec|
daa cbb|ged ~c3|dAF AGE|EDA, D3:|
~f3 ~g3|agf ged|g2d a2d|bag age|
fcc gcc|agf ged|dAF AGE|EDA, D3:|**