The king sent him down to Gihon Spring with Zadok the priest, Nathan the prophet, and Benaiah son of Jehoiada, protected by the king’s bodyguard. They had him ride on the king’s own mule,
The descendants of Zibeon were Aiah and Anah. (This is the Anah who discovered the hot springs in the wilderness while he was grazing his father’s donkeys.)
and Zadok and Nathan have anointed him at Gihon Spring as the new king. They have just returned, and the whole city is celebrating and rejoicing. That’s what all the noise is about.
When David was settled in his palace, he summoned Nathan the prophet. “Look,” David said, “I am living in a beautiful cedar palace, but the Ark of the Lord’s Covenant is out there under a tent!”