Adam Clarke's Bible Commentary Verse 1. Then all Israel gathered themselves to David] See 2 Sam. v. 1-10, for the history contained in the first nine verses of this chapter, and the notes there.
Matthew Henry Commentary
Verses 1-9 - David was brought to possess the throne of Israel after he had reigne seven years in Hebron, over Judah only. God's counsels will be fulfilled at last, whatever difficulties lie in the way. The way to be truly great, is to be really useful, to devote all our talents to the Lord.
Original Hebrew ויקבצו6908 כל3605 ישׂראל3478 אל413 דויד1732 חברונה2275 לאמר559 הנה2009 עצמך6106 ובשׂרך1320 אנחנו׃587