Galicia has been often added to the "Celtic" list, some ancient Brits are reputed to have slipped over there and set up shop when the Sais arrived in Britain and caused some bother.Galcian music didnt used to sound Irish, but the addition of some bodhrans and low D whistles have started to bend that a little...it offends Galician purists but does wonders for tourists in search of Celts.