extravaganza

noun2

1. •
   An instance of fantastical, unrestrained, lavish, or chaotic behaviour or conduct.

   • The bride had her heart set on a simple wedding, but her parents insisted on a three-hundred-guest extravaganza.
2. •
   An extravagant or eccentric piece of music, literature, or drama, originally associated with Victorian England.

   • It grew out of the Victorian “extravaganza” style, which took serious opera and literature and applied broad comic satire (usually with music) that played to the masses. — 2018