Moses
Psalm 68:8BSB·traditional attribution

the earth shook and the heavens poured down rain before God, the One on Sinai, before God, the God of Israel.

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

The earth shook. Beneath the sublime tread the solid ground trembled. The heavens also dropped at the presence of God, as if they bowed before their God, the clouds descended, and "a few dark shower drops stole abroad." Even Sinai itself was moved at the presence of God.

Matthew Henry Presbyterian @wholebiblehenry

The psalmist here, having occasion to give God thanks for the great things he had done for him and his people of late, takes occasion thence to praise him for what he had done for their fathers in the days of old. Fresh mercies should put us in mind of former mercies and revive our grateful sense of them. Let it never be forgotten, I.

Commenting on Psalm 68:7-14