Ceolas Celtic Music Archive
The home of Celtic music on the net, with reviews, biographies, guides, audio samples, hundreds of links to real-world and Internet resources, tunes, schedules, and instrument guides.
Wikipedia article explores the difficulty in defining a genre which includes the traditional musics of the Celtic peoples, and recorded popular music with only a superficial resemblance to folk styles.
BBC site covering Celtic, traditional and folk music from Scotland and beyond. Includes gig listings, reviews and programme information.
Traditional Celtic Music
Resource for San Francisco and Monterey Bay area Celtic music. Includes information on the traditional Celtic music of Ireland, Scotland, Cape Breton and Brittany, with event calendar, local resources, CD reviews, suggested first purchases, and musician links.