Exodus 32:17-19

17And Joshua heard the noise of the people as they shouted, and said to Moses, There is a shout of war in the camp.

18And he said, It is not the sound of a shout of victory, neither is it the sound of a shout of defeat: it is the noise of alternate singing I hear.

19And it came to pass, when he came near the camp, and saw the calf and the dancing, that Moses' anger burned, and he cast the tables out of his hands, and shattered them beneath the mountain.