David
Psalm 68:34ESV·traditional attribution

Ascribe power to God, whose majesty is over Israel, and whose power is in the skies.

John Calvin Reformed @genevareformer

PSALM 68 In this psalm it was David’s design to celebrate the victories which, through the blessing of God, he had gained over his enemies; As to the time and occasion of the composition of this psalm, the majority of interpreters refer it to the translation of the ark from the house of Obed-Edom to Mount Zion, and with this every part of it would, no doubt, harmonize.

Commenting on Psalm 68:1-35

C.H. Spurgeon Reformed Baptist @princeofpreachers

Ascribe ye strength unto God. When even his voice rends the rocks and uproots the cedars, what cannot his hand do? His finger shakes the earth; who can conceive the power of his arm? Let us never by our doubts or our daring defiances appear to deny power unto God; on the contrary, by yielding to him and trusting in him, let our hearts acknowledge his might.

Matthew Henry Presbyterian @wholebiblehenry

The psalmist, having prayed for and prophesied of the conversion of the Gentiles, here invites them to come in and join with the devout Israelites in praising God, intimating that their accession to the church would be the matter of their joy and praise (Psa 68:32): Let the kingdoms of the earth sing praises to the Lord; they all ought to do it, and, when...

Commenting on Psalm 68:32-35