1 Chronicles 15:16

15:16 David told the leaders of the Levites to appoint some of their relatives as musicians; they were to play various instruments, including stringed instruments and cymbals, and to sing loudly and joyfully.

1 Chronicles 15:23-24

15:23 Berechiah and Elkanah were guardians of the ark; 15:24 Shebaniah, Joshaphat, Nethanel, Amasai, Zechariah, Benaiah, and Eliezer the priests were to blow the trumpets before the ark of God; Obed-Edom and Jehiel were also guardians of the ark.