'Eternal' in the Bible

the trumpeters and musicians played in union, praising and giving thanks to the LORD. They praised the LORD loudly and sang, "He is good, and his gracious love is eternal," accompanied by the trumpets, cymbals, and other musical instruments.) As they did this, a cloud filled the Temple, that is, the LORD's Temple,

When all of the Israelis saw the fire coming down and the glory of the LORD resting on the Temple, they bowed down with their faces to the ground on the pavement, worshipped, and gave thanks to the LORD, "Because he is good; because his gracious love is eternal."

The priests stood in waiting at their assigned places, along with the descendants of Levi who carried musical instruments used in service to the LORD that King David had made for giving thanks to the LORD because his gracious love is eternal whenever David, accompanied by priests sounding trumpets, offered praises while all of Israel stood in the assembly.

After he had consulted with the people, Jehoshaphat appointed some choir members to sing to the LORD and to praise him in sacred splendor as they marched out in front of the armed forces. They kept saying "Give thanks to the LORD, because his gracious love is eternal!"