2 Chronicles 5:12

12the Levitical singers dressed in fine linen and carrying cymbals, harps, and lyres a were standing east of the altar, and with them were 120 priests blowing trumpets. b The Levitical singers were descendants of
Asaph: A musician appointed by David to oversee the music used in worship at the Temple; 12 psalms are attributed to Asaph.
Asaph, Heman, and Jeduthun and their sons d and relatives.
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