Complex sentence: Feodor Chaliapin in the premiere of Jules Massenet's "Don Quichotte" (1910), which included a long association between the company and Massenet and his operas, two of which were presented posthumously.
Split into simpler sentences: Feodor Chaliapin in the premiere of Jules Massenet's "Don Quichotte" (1910). This production formed part of a long association between the company and Massenet and his operas, two of which were presented posthumously.