This song is officially titled No Man's Land, but is also commonly known as The Green Fields of France; it was written by Eric Bogle in 1976, and has come to be a classic anti-war song. It commemorates the fallen soldiers of World War I.

Well, how'd you do, Private William McBride?
Do you mind if I sit here down by your graveside?
I'll rest here awhile in the warm summer sun,
I've been walking all day, Lord, and I'm nearly done.

There have been numerous covers of this song, perhaps the most famous being The Green Fields of France by The Furey Brothers with Davey Arthur released in Ireland in the 1980s. Dropkick Murphys also did a popular cover in 2005, also under the title The Green Fields of France. There have been at least 50 other covers, include covers by Bob Dylan, Donovan, Peter, Paul and Mary, and John McDermott.