The meaning of “אָסָף”

“Then came Eliakim the son of Hilkiah, which was over the household, and Shebna the scribe, and Joah the son of Asaph the recorder, to Hezekiah with their clothes rent, and told him the words of Rab–shakeh. ”

“So he left there before the ark of the covenant of the Lord Asaph and his brethren, to minister before the ark continually, as every day’s work required:”

“And of the sons of Elizaphan; Shimri, and Jeiel: and of the sons of Asaph; Zechariah, and Mattaniah:”

“And when the builders laid the foundation of the temple of the Lord, they set the priests in their apparel with trumpets, and the Levites the sons of Asaph with cymbals, to praise the Lord, after the ordinance of David king of Israel.”

“The overseer also of the Levites at Jerusalem was Uzzi the son of Bani, the son of Hashabiah, the son of Mattaniah, the son of Micha. Of the sons of Asaph, the singers were over the business of the house of God.”