'Voice of the Bridegroom' in the Bible

He that has the bride, is the bridegroom; but the friend of the bridegroom, who stands and hears him, rejoices greatly on account of the voice of the bridegroom. This, my joy, is therefore complete.

and the light of a lamp shall shine no more in you: and the voice of the bridegroom and of the bride shall be heard no more in you: for your merchants were the great men of the earth: for by your sorcery were all nations deceived.