Shared ground
These verses function as a public summons to worship inside God’s sanctuary space (“house” and “courts”). The repeated “Praise Yah / praise the name of Yahweh” sets the tone: this is corporate, spoken-and-sung praise, not a private reflection.
The passage grounds praise in who God is and what God has done (explicitly: Yahweh is “good,” and he “chose Jacob… Israel” as his own possession). The focus is not the worshipers’ changing circumstances but God’s stable character and God’s prior choice.
The wording “praise the name” highlights that Israel’s worship is directed to God as he is known and identified, not to an abstract “higher power.”
Where interpretation differs
A real question is how narrowly “servants of Yahweh” should be taken. Some read it mainly as people with official roles in temple worship (priests, Levites, other workers), since they “stand” in the house and courts. Others take it more broadly as the gathered worshiping community present in that space, including anyone participating in temple praise.
A smaller question is what “pleasant” most directly describes in verse 3: the experience of singing praise, or the worthiness/attractiveness of God’s name as the object of praise. Either way, the line supports the fittingness of praise.
Why the disagreement exists
The temple setting language is concrete (“stand… in the house… in the courts”), which naturally points to on-duty personnel, but “servants of Yahweh” can also be a wider label for God’s people. Likewise, the grammar of “pleasant” can be heard as pointing to the act (“singing praise is pleasant”) or to the object (“his name is pleasant to praise”).
What this passage clearly contributes
These verses present praise as the right response to God’s goodness and to God’s choosing of Israel as his own. They tie worship to communal identity (“Jacob… Israel”) and to a specific worship setting (God’s house/courts), showing that Israel’s praise is both theological (about who God is) and communal (shaping who the people are). Psalm 135:1–4