David
Psalm 9:6ESV·traditional attribution

The enemy came to an end in everlasting ruins; their cities you rooted out; the very memory of them has perished.

John Calvin Reformed @genevareformer

Psalm 9 David, after having recounted the former victories which he had gained, and exalted in lofty strains the grace and power of God in their happy issue, now again, when he sees new enemies and dangers rising up, implores the protection of the same God by whom he had before been delivered, and beseeches him to overthrow the pride of his enemies. To the chief musician Almuth Laben.

Commenting on Psalm 9:1-20

C.H. Spurgeon Reformed Baptist @princeofpreachers

Here the Psalmist exults over the fallen foe. He bends as it were, over his prostrate form, and insults his once vaunted strength. He plucks the boaster's song out of his mouth, and sings it for him in derision. After this fashion doth our Glorious Redeemer ask of death, "Where is thy sting?" and of the grave, "Where is thy victory?" The spoiler is spoiled...

Matthew Henry Presbyterian @wholebiblehenry

The title of this psalm gives a very uncertain sound concerning the occasion of penning it. It is upon Muth-labben, which some make to refer to the death of Goliath, others of Nabal, others of Absalom; but I incline to think it signifies only some tone, or some musical instrument, to which this psalm was intended to be sung; and that the enemies David is...

Commenting on Psalm 9:1-10