David spoke to the chief of the Levites to appoint their brothers the singers, with instruments of music, psalteries and harps and cymbals, sounding aloud and lifting up the voice with joy.
The writer then goes back to the story of the ark and shows how, after the earlier setback, it was finally brought to Jerusalem. Nothing disastrous happened this time, because the ark was transported in the proper manner and handled with fitting reverence. It was carried on the shoulders of the Levites, who themselves were ceremonially cleansed (15:1-15; see notes on 2 Samuel 6:12-15).