all the Levitical singers—Asaph, Heman, Jeduthun, and their sons and relatives—stood on the east side of the altar, dressed in fine linen and playing cymbals, harps, and lyres, accompanied by 120 priests sounding trumpets.
Jewish Publication Society of America Version (JPS1917) - 2 Chronicles 5:12 >also the Levites who were the singers, all of them, even Asaph, Heman, Jeduthun, and their sons and their brethren, arrayed in fine linen, with cymbals and psalteries and harps, stood at the east end of the altar, and with them a hundred and twenty priests sounding with trumpets —