With timbrels and with dances; in consort with other virgins, as the manner was. See Exodus 15:20 1Sa 18.
Related Commentaries of Judges 11:34
Judges 11:34
34 And Jephthah came to Mizpeh unto his house, and, behold, his daughter came out to meet him with timbrels and with dances: and she was his only child; beside her he had neither son nor daughter.