Mark O'Connor One of the Best
The Mollys One of my favourite groups. They mix Celtic and Mexican Music
Ceolas Great site for everything Irish
JC's ABC Tunefinder Type in your Favourite jig and get 6 sites with the ABC file
Jay Ungar and Molly Mason He wrote "Ashokan Farewell"
Cajun French Music Cajun site with links
Chris Ricker Canadian Fiddler with lots of ABC tunes