Parallel
2 Samuel 1:18
Brenton's English Septuagint · Berean Standard Bible
And he gave orders to teach it the sons of Juda: behold, it is written in the book of Right.
and he ordered that the sons of Judah be taught the Song of the Bow. It is written in the Book of Jashar (note: Or the Book of the Upright One, commonly cited as Jasher; note that the Song of the Bow that follows is not found in known manuscripts attributed to Jasher.):