John Gills Exposition of the Bible Commentary - Psalms 97:8
Zion heard, and was glad ,.... Or, the congregation of Zion, as the Targum; the church of Christ, and the members of it, called Zion, in allusion to the mountain of that name, in which the temple stood; a type of the church, Hebrews 12:22 , these heard the Gospel, the good news and glad tidings of good things; they heard that Zion's King reigned, and that his kingdom was enlarged, and interest increased; they heard the heavenly men declare his righteousness, by which they are justified... read more
Matthew Henry's Complete Commentary - Psalms 97:8-12
The kingdom of the Messiah, like the pillar of cloud and fire, as it has a dark side towards the Egyptians, so it has a bright side towards the Israel of God. It is set up in spite of opposition; and then the earth saw and trembled (Ps. 97:4), but Zion heard and was glad, very glad, to hear of the conversion of some and of the confusion of others, that is, the conquest of all that stood it out against Christ. Rejoice greatly, O daughter of Zion! for behold thy king comes unto thee, Zech. 9:9.... read more