TSK
Treasury of Scripture Knowledge references in WEB.
Seven priests shall bear seven trumpets of rams' horns before the ark. On the seventh day, you shall march around the city seven times, and the priests shall blow the trumpets.
of the sons of Asaph: Zaccur, and Joseph, and Nethaniah, and Asharelah, the sons of Asaph, under the hand of Asaph, who prophesied after the order of the king.
also the Levites who were the singers, all of them, even Asaph, Heman, Jeduthun, and their sons and their brothers, arrayed in fine linen, with cymbals and stringed instruments and harps, stood at the east end of the altar, and with them one hundred twenty priests sounding with trumpets;)
and Mattaniah the son of Mica, the son of Zabdi, the son of Asaph, who was the chief to begin the thanksgiving in prayer, and Bakbukiah, the second among his brothers; and Abda the son of Shammua, the son of Galal, the son of Jeduthun.