New Defender's Study Bible Notes
72:1 the king’s son. This psalm was evidently written by David partially for his son (the superscript calls it “A Psalm for Solomon”), but its scope goes far beyond Solomon, applying fully only to the coming Messiah in accord with God’s promise to David for Solomon (II Samuel 7:12-16).
72:8 the ends of the earth. This is a Messianic psalm, speaking of the global kingdom of Christ when he comes again. Note also Psalm 72:11.
72:10 the kings of Tarshish. Sheba and Seba, as well as Tarshish, are listed as among the nations that will serve the Lord in the kingdom age. Tarshish was far to the west, Sheba and Seba to the south, and thus are listed as tokens of the distant nations that will honor Christ as King in that day, even though their domains will have different names then than when David wrote.
72:16 handful of corn. This is a metaphor for the small remnant of faithful Israel which will survive into the kingdom age and soon become the leading nation in the world, flourishing “like grass of the earth” (Isaiah 62:1-12; Zechariah 14:16-17; etc.).
72:17 as long as the sun. The everlasting ministry of the sun is assured here, as well as the eternal name of its Creator and Redeemer.
72:19 blessed be his glorious name. This doxology concludes Book II of the Psalms, which began at Psalm 42. See the Introduction to the Book of Psalms.
Psalm 73 (title) Asaph. Psalm 73 is the first of eleven psalms (73–83) written by Asaph, an important musician in the temple during the times of David and Solomon. One other psalm attributed to Asaph is Psalm 50. Asaph was not only one of the chief musicians, but was recognized also as a prophet (II Chronicles 5:12; 29:30), probably because of his twelve inspired psalms.