Moses therefore wrote this song the same day, and taught it the children of Israel.
Deuteronomy 31:9
And Moses writeth this law, and giveth it unto the priests (sons of Levi, those bearing the ark of the covenant of Jehovah), and unto all the elders of Israel,
Deuteronomy 31:19
'And now, write for you this song, and teach it the sons of Israel; put it in their mouths, so that this song is to Me for a witness against the sons of Israel,