I would be led to hope, that the mirth here spoken of was sacred mirth. There is no real joy but the joy of the Holy Ghost; and this is the kingdom of God. Romans 14:17.
Related Commentaries of Judges 19:22
Judges 19:22
22 Now as they were making their hearts merry, behold, the men of the city, certain sons of Belial, beset the house round about, and beat at the door, and spake to the master of the house, the old man, saying, Bring forth the man that came into thine house, that we may know him.