Erin go Bragh is a Gaelic phrase, and is used to express allegiance to Ireland. It is most often translated as "Ireland Forever".
* A bit of background about Dick Gaughan
Richard Peter Gaughan usually known as Dick Gaughan (born 17 May 1948, Glasgow) is a Scottish musician, singer, and songwriter, particularly of folk and social protest songs.
Dick Gaughan has always been regarded as a radical, in his artistic life as well as in his politics. A staunch union and left wing activist, he has never chosen the easy way and through it all he has had an unwavering passion for the underdog, the downtrodden and the socially disadvantaged. He is without doubt Scotland’s greatest contemporary singer and musician.