12 and saith to them, 'Ye 'are' heads of the fathers of the Levites; sanctify yourselves, ye and your brethren, and ye have brought up the ark of Jehovah, God of Israel, unto 'the place' I have prepared for it; 13 because at the first 'it was' not ye, Jehovah our God made a breach upon us, because we sought Him not according to the ordinance.' 14 And the priests and the Levites sanctify themselves, to bring up the ark of Jehovah, God of Israel; 15 and sons of the Levites bear the ark of God, as Moses commanded, according to the word of Jehovah, on their shoulder, with staves, above them. 16 And David saith to the heads of the Levites to appoint their brethren the singers, with instruments of song, psalteries, and harps, and cymbals, sounding, to lift up with the voice for joy.
Matthew Henry's Commentary on 1 Chronicles 15:12-16
Commentary on 1 Chronicles 15:1-24
(Read 1 Chronicles 15:1-24)
Wise and good men may be guilty of oversights, which they will correct, as soon as they are aware of them. David does not try to justify what had been done amiss, nor to lay the blame on others; but he owns himself guilty, with others, of not seeking God in due order