Moreover four thousand were porters; and four thousand praised the LORD with the instruments which I made, said David, to praise therewith.
And the priests waited on their offices: the Levites also with instruments of musick of the LORD, which David the king had made to praise the LORD, because his mercy endureth for ever, when David praised by their ministry; and the priests sounded trumpets before them, and all Israel stood.
And the Levites stood with the instruments of David, and the priests with the trumpets.
And his brother's name was Jubal: he was the father of all such as handle the harp and organ.
And his brother's name was Jubal: he was the father of all such as handle the harp and organ. And Zillah, she also bare Tubalcain, an instructer of every artificer in brass and iron: and the sister of Tubalcain was Naamah.