XXVI.
(1) In that day shall this song be sung... — The prophet appears once more, as in Isaiah 5:1; Isaiah 12:4, in the character of a psalmist, and what he writes is destined for nothing less than the worship of the new city of the heavenly kingdom.
Salvation will God appoint for walls. — Better, salvation He appoints. The walls of the heavenly city are not of stone or brick, but are themselves as a living force, saving and protecting. The same characteristic thought appears in Isaiah 60:18.