1 Chronicles 14:15 in the King James Version
And it shall be, when thou shalt hear a sound of going in the tops of the mulberry trees, that then thou shalt go out to battle: for God is gone forth before thee to smite the host of the Philistines.
Context
14 David inquired again of God; and God said to him, “You shall not go up after them. Turn away from them, and come on them opposite the mulberry trees.
15 When you hear the sound of marching in the tops of the mulberry trees, then go out to battle; for God has gone out before you to strike the army of the Philistines.”
16 David did as God commanded him; and they attacked the army of the Philistines from Gibeon even to Gezer.