It were the good tunnels, 26 ways of doom One million pounds of ammonal Were packed into the underground pits Our artillery was silenced, for the first time in years all was quiet The sky was a very dark blue in the pre-dawn light And I swear we heard how the nightingale sings 3 a.m, 7th June We demolished the bottom of Messines Trigger down, torn apart by the whirlpool of flame Nineteen explosions, 10,000 were killed, colonel said The boches were stunned, dazed and horror-stricken If they were not killed outright Many of them lay dead in the great craters Opened by the mines, secretly planted by "the Moles" Better the devil you know, than the devil you don't And I swear we heard how the nightingale sings 3 a.m, 7th June We demolished the bottom of Messines Trigger down, torn apart by the whirlpool of flame 10,000 were killed, colonel said It were the good tunnels