וַיִּכְתֹּ֥ב מֹשֶׁ֛ה אֶת־הַשִּׁירָ֥ה הַזֹּ֖את בַּיּ֣וֹם הַה֑וּא וַֽיְלַמְּדָ֖הּ אֶת־בְּנֵ֥י יִשְׂרָאֵֽל׃
So Moses wrote this song the same day, and taught it the children of Israel.
Find Mishnaic references to Deuteronomy 31:22: , passages from the 63 tractates of the Mishnah.