וַיְדַבֵּ֣ר מֹשֶׁ֗ה בְּאָזְנֵי֙ כָּל־קְהַ֣ל יִשְׂרָאֵ֔ל אֶת־דִּבְרֵ֥י הַשִּׁירָ֖ה הַזֹּ֑את עַ֖ד תֻּמָּֽם׃ (פ)
And Moses spoke in the ears of all the assembly of Israel the words of this song, until they were finished:
Read kabbalistic (mystical) interpretation of Deuteronomy 31:30: and classical mystical sources.