Christmas Truce/Kerstbestand was performed by Coope Boyes & Simpson and Wereldkoor Wak Maar Proper at St-Maartenskerk, Ieper on December 18, 1998. It was one of the Passendale Peace Concerts / Vredesconcerten and included original compositions by Jim Boyes and Lester Simpson.

Coope Boyes and Simpson will return to St-Maartenskerk on 22 December 2014 to perform The Best Christmas Present in the World with Michael Morpurgo. "First someone saw a white flag waving from the trenches opposite. Then they were calling out to us from across no man's land, "Happy Christmas Tommy! Happy Christmas!" When we had got over the surprise some of us shouted back, "Same to you Fritz! Same to you!" "