A worthy choice for today's song is "All Together Now":
It's by The Farm, who are a band from Liverpool in the United Kingdom, and it's from their album Spartacus. The song, which contains an anti-war theme, is about the Christmas truce of 1914 during World War I, during which soldiers from opposing sides lay down their arms to celebrate and season and play football.
In 2014, to commemorate the 100th anniversary of the Christmas truce, a multitude of British musicians, under the banner of The Peace Collective, recorded their version of the song:
This version was dedicated to the soldiers who ensured the truce held that day.