The Pulpit Commentary - Psalms 47:7
For God is the King of all the earth (comp. Psalms 47:2 ). Sing ye praises with understanding; literally, sing a psalm of instruction. As Hengstenberg remarks, "Every song in praise of God, on account of God, on account of his glorious deeds, contains a rich treasure of instruction and improvement." Here the special instruction is that God is King over the whole earth, that he reigns over the heathen, and that the heathen shall also some time or other own his sovereignty. read more
The Pulpit Commentary - Psalms 47:6-7
The faculty and duty of praise. "Sing praises." Every command of God implies power to obey. True, God often tells us to do what we have no power of ourselves to do; but then he gives power. When Jesus bade the lame Walk, the blind see, the paralytic to take up the bed he lay on, and the very dead to come out of the grave, power went with his word. On the other hand, every faculty or power with which God has endowed us implies some duty in which we are to glorify him. Thus the faculty of... read more