en_tn/2sa/05/24.md

When you hear ... Yahweh will have gone out before you to attack the army of the Philistines

This is the continuation of Yahweh's instruction to David that began in 2 Samuel 5:23. Yahweh here speaks of himself in the third person. (See: rc://en/ta/man/translate/figs-123person)

When you hear the sound of marching in the wind blowing through the balsam treetops

This speaks of the sound of the leaves rustling as wind blows through them as if it were the sound of marching. AT: "When the wind blowing through the tops of the balsam trees sounds like men marching" (See: rc://en/ta/man/translate/figs-metaphor)