Thank-you Persistent for your commentary on this important topic.
I do not believe that will occur FULLY until the Reign of Our Lord Who is The Christ in the Sabbath Millennium is upon us. In the meantime, we are in occupied lands under slavery until The Law of God is reinstated and applied exactly as written in The Holy Torah Books.
The Song of Moses and the Song of The Lamb are the Old and the New Covenants, respectively, making the "New Song" that no man can learn except the 144,000 that are redeemed, by the King personally , from the Earth (Rev. 14:3). "NO man (not ONE man) can come to the Father except by ME ."
(John 14:6). Christ's Second-Coming