Deuteronomy 31:9, 19
Deuteronomy 31:9 AMP
So Moses wrote this law and gave it to the priests, the sons of Levi who carried the ark of the covenant of the LORD, and to all the elders of Israel.
Deuteronomy 31:19 AMP
“Now then, write this song for yourselves, and teach it to the sons of Israel; put it in their mouth, so that this song may be a witness for Me against the sons of Israel.