Cross reference
Deuteronomy 31:22
22 So Moses wrote this song the same day, and taught it the children of Israel.
Deuteronomy 31:19
19 Now therefore write you this song for you, and teach you it the children of Israel: put it in their mouths, that this song may be a witness for me against the children of Israel.
Deuteronomy 31:9
9 Moses wrote this law, and delivered it to the priests the sons of Levi, who bore the ark of the covenant of Yahweh, and to all the elders of Israel.