This was Wings first single and it was promptly banned. We bought it. Give Ireland Back To The Irish - YouTube (45 version). Lead guitarist Henry McCullough was from Ulster and couldn't go home for a while. B-side was the banal Mary Had a Little Lamb.
As I said the other day they were a counter-culture band. This had been written as a result of seeing on the news about Bloody Sunday. They were told by EMI not to put it out but they insisted it came out. Give Ireland Back to the Irish - Wikipedia
