1 Kings 1:38-39

So Zadok the priest, Nathan the prophet, and Benaiah the son of Jehoiada, and the Cherethites and the Pelethites went down and had Solomon ride on King David’s mule and brought him to Gihon. There Zadok the priest took the horn of oil from the tent and anointed Solomon. Then they blew the trumpet, and all the people said, “Long live King Solomon!”