3 nations? England, U.S., Canada!
James Kellaghan is from Canada.
He wrote a song about the Mann Gulch fire disaster in
Montana over 50 years ago where 13-15 fire fighters died.
see: http://www.keelaghan.com/
tour schedule here (including 3 Nations tour):
http://www.keelaghan.com/keelo1.html
James is on the new Gordon LIghtfoot tribute album.

I love Kristine Olsen's music-
she is from U.S. and has toured in
australia. She plays a mean guitar,
and national steel too. and concertina.
her home page is here-http://www.kristinaolsen.net/
(not to be confused with the Other Kristina Olsen
from Massachusetts.)

And here is where to find info on
Jez Lowe:http://www.jezlowe.com/
his band the Bad Pennies are playing
on this tour. see also:
http://www.jezlowe.com/home2.html

this sounds like it will be a good show!
send reviews!