Both the Levites and the singing men, that is, both they that were under Asaph, and they that were under Heman, and they that were under Idithun, with their sons, and their brethren, clothed with fine linen, sounded with cymbals, and psalteries, and harps, standing on the east side of the altar, and with them a hundred and twenty priests, sounding with trumpets.