I first heard that song, Dublin in the Green, sang by Tommy Dempsey - a Birmingham folksinger from County Roscommon. I believe Tommy stood in for Luke in the Dubs, when he was ill on a tour of Australia. A great singer - I think that's on his album for Topic - Green Grow the Laurel.

The song relates pretty clearly to 1916, as I remember. But God alone knows the origins. I would guess an Irish regiment before the separation. Obviously I've heard the Warwickshire RHA version - but its got a celtic feel to it - wouldn't you say...?