David
Psalm 71:22ESV·traditional attribution

I will also praise you with the harp for your faithfulness, O my God; I will sing praises to you with the lyre, O Holy One of Israel.

John Calvin Reformed @genevareformer

PSALM 71 ”Although this psalm has no title, it is by general consent ascribed to David, and supposed to have been composed during Absalom’s revolt, as he mentions his old age, and his danger of perishing. It is almost a copy of Psalm 31; and, as the passages in the present psalm, which refer to his advanced age, are wanted in the other, it seems...

Commenting on Psalm 71:1-24

C.H. Spurgeon Reformed Baptist @princeofpreachers

I will also praise thee with the psaltery. Love so amazing calls for sweetest praise. David would give his best music, both vocal and instrumental, to the Best of Masters. His harp should not be silent, nor his voice. Even thy truth, O my God. This is ever a most enchanting attribute—viz., the truth or faithfulness of our covenant God.

Matthew Henry Presbyterian @wholebiblehenry

David is here in a holy transport of joy and praise, arising from his faith and hope in God; we have both together Psa 71:14, where there is a sudden and remarkable change of his voice; his fears are all silenced, his hopes raised, and his prayers turned into thanksgivings.

Commenting on Psalm 71:14-24