Complex sentence: The premiere of this burlesque ballet also occasioned an interesting social event, "a first night supper party for" Le Renard " ", planned by Sydney Schiff as a kind of "modernist summit".
Split into simpler sentences: The premiere of this burlesque ballet also inspired an interesting social event. It was "a first night supper party for" Le Renard " ", planned by Sydney Schiff as a kind of "modernist summit".