He ordered that it be taught to the people of Judah. It is a song that is played on a stringed instrument. It is written down in the Book of Jashar. David sang,
The women of Moab are at the places where people go across the Arnon River. They are like birds that flap their wings when they are pushed from their nest.
They started out from there and camped by the Arnon River. It’s in the desert that spreads out into the territory of the Amorites. The Arnon is the border of Moab. It’s between Moab and the Amorites.
The Lord said, “Start out and go across the valley of the Arnon River. I have handed Sihon over to you. He is the Amorite king of Heshbon. I have also given you his country. Begin to take it as your own. Go to war against him.
So the sun stood still. The moon stopped. They didn’t move again until the nation won the battle over its enemies. You can read about it in the Book of Jashar. The sun stopped in the middle of the sky. It didn’t go down for about a full day.
Saul said to David, “Here is my older daughter Merab. I’ll give her to you to be your wife. Just serve me bravely and fight the Lord’s battles.” Saul said to himself, “I won’t have to lift my hand to strike him down. The Philistines will do that!”