Answer:
According to the drummer boy, the soldiers are murmuring " Me, I’m the one, I’m the one of all the rest won’t die. I’ll live through it. I’ll go home. The band will play. And I’ll be there to hear it."
Explanation:
Copied straight from the drummer boy of Shiloh:
"What the men whispered the boy could only guess, and he guessed that it
was: Me, I’m the one, I’m the one of all the rest won’t die. I’ll live through it.
I’ll go home. The band will play. And I’ll be there to hear it."