David
Psalm 66:2ESV·traditional attribution

sing the glory of his name; give to him glorious praise!

John Calvin Reformed @genevareformer

PSALM 66 There may have been one deliverance in particular, which the Psalmist celebrates here in the name of the Church, but he includes the many and various mercies which God had all along conferred upon his chosen people. While he takes notice of the divine interposition in their behalf, in a crisis of great mercy and distress, he suggests it as matter of comfort...

Commenting on Psalm 66:1-20

C.H. Spurgeon Reformed Baptist @princeofpreachers

Sing forth the honour of his name. The noise is to be modulated with tune and time, and fashioned into singing, for we adore the God of order and harmony. The honour of God should be our subject, and to honour him our object when we sing. To give glory to God is but to restore to him his own.

Matthew Henry Presbyterian @wholebiblehenry

I. In these verses the psalmist calls upon all people to praise God, all lands, all the earth, all the inhabitants of the world that are capable of praising God, Psa 66:1. 1. This speaks the glory of God, that he is worthy to be praised by all, for he is good to all and furnishes every nation with matter for praise. 2.

Commenting on Psalm 66:1-7