Moses
Exodus 32:18ESV·traditional attribution

But he said, “It is not the sound of shouting for victory, or the sound of the cry of defeat, but the sound of singing that I hear.”

Matthew Henry Presbyterian @wholebiblehenry

Here is, I. The favour of God to Moses, in trusting him with the two tables of the testimony, which, though of common stone, were far more valuable than all the precious stones that adorned the breast-plate of Aaron. The topaz of Ethiopia could not equal them, Exo 32:15, Exo 32:16.

Commenting on Exodus 32:15-20

John Gill Reformed Baptist @doctorgill

And it came to pass, as soon, as he came nigh unto the camp,.... To the bottom of the mountain, and pretty near where the people were encamped: that he saw the calf, and the dancing; the golden image of the calf, and the people dancing about it, in honour of it, and as glad they had got a symbol and representation of God to...

Adam Clarke Methodist @methodicalclarke

And he said - That is, Moses returned this answer to the observations of Joshua.