Praise the Lord, O Jerusalem ... - In addition to this general praise in which all may unite, there are special reasons why Jerusalem and its inhabitants should praise God: just as now, in addition to the general reasons pertaining to all people why they should praise God, there are special reasons why Christians - why his redeemed people - should do it. What those reasons, as pertaining to the inhabitants of Jerusalem, were, is specified in the following verses.
Related Commentaries of Psalms 147:12
Psalms 147:12
12 Praise the LORD, O Jerusalem; praise thy God, O Zion.