The author speaks of the king having his workers make these things as if he himself had made them. Alternate translation: "the king had his workers make the steps .. as well as harps and lyres" or "the king's workers made steps ... well as harps and lyres" (See: [[rc://en/ta/man/translate/figs-metonymy]])
This can be stated in active form. Alternate translation: "No one had seen wood like this before in the land of Judah" (See: [[rc://en/ta/man/translate/figs-activepassive]])