"A masquerade ball (or bal masqué) is an event in which many participants attend in costume wearing a mask. (Compare the word "masque"—a formal written and ...
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sung court pageant.) Less formal "costume parties" may be a descendant of this tradition. A masquerade ball usually encompasses music and dancing. These nighttime events are used for entertainment and celebrations. " - (en.wikipedia.org 05.01.2022)
