American Standard Version (ASV):
And it shall be, when thou hearest the sound of marching in the tops of the mulberry-trees, that then thou shalt bestir thyself; for then is Jehovah gone out before thee to smite the host of the Philistines.
King James Version (KJV):
And let it be, when thou hearest the sound of a going in the tops of the mulberry trees, that then thou shalt bestir thyself: for then shall the LORD go out before thee, to smite the host of the Philistines.