The 1970s witnessed the rise of a number of bands in the British Isles comprised of young musicians seeking to meld the traditional music of their homelands -- England, Scotland, Wales, and Ireland -- with elements of the rock and pop music they had grown up with. Sporting names like Steeleye Span, Fairport Convention, Tannahill Weavers, and Battlefield Band, they mixed electric instrumentation and drums with pipes and string instruments to produce a genre that came to be known by many as "bagpipe rock." Many of these bands continued well into the '80s, '90s, and beyond, while...