With timbrels and with dances - From this instance we find it was an ancient custom for women to go out to meet returning conquerors with musical instruments, songs, and dances; and that it was continued afterwards is evident from the instance given 1 Samuel 18:6, where David was met, on his return from the defeat of Goliath and the Philistines, by women from all the cities of Israel, with singing and dancing, and various instruments of music.
His daughter came out to meet him - The precise phrase of his vow Judges 11:31. She was his “only child,” a term of special endearment (see Jeremiah 6:26; Zechariah 12:10). The same word is used of Isaac Genesis 22:2, Genesis 22:12, Genesis 22:16.