1.

Make a joyful noise unto the LORD, all ye lands.

1, 2. With thankful praise, unite service as the subjects of a king (Psalms 2:11; Psalms 2:12).

2.

Serve the LORD with gladness: come before his presence with singing.

3.

Know ye that the LORD he is God: it is he that hath made us, and not we ourselves; we are his people, and the sheep of his pasture.

3. To the obligations of a creature and subject is added that of a beneficiary ().

4.

Enter into his gates with thanksgiving, and into his courts with praise: be thankful unto him, and bless his name.

4. Join joyfully in His public worship. The terms are, of course, figurative (compare Psalms 84:2; Psalms 92:13; Isaiah 66:23).
Enter—or, "Come with solemnity" (Psalms 95:6).

5.

For the LORD is good; his mercy is everlasting; and his truth endureth to all generations.

5. The reason: God's eternal mercy and truth (Psalms 25:8; Psalms 89:7).