this song. First reference to the "Song of Moses". See Deuteronomy 32. The last in Revelation 15:3.
teach it. To be both written and taught. Compare Deuteronomy 31:22.
Related Commentaries of Deuteronomy 31:19
Deuteronomy 31:19
19 Now therefore write ye this song for you, and teach it the children of Israel: put it in their mouths, that this song may be a witness for me against the children of Israel.