Complex sentence: He became a star of the Metropolitan Opera, specializing in French and Italian operas, and participated in the farewell gala on March 29,1936, for Italian soprano Lucrezia Bori, which was broadcast nationally and preserved on transcription discs.
Split into simpler sentences: He became a star of the Metropolitan Opera, specializing in French and Italian operas. He participated in the farewell gala on March 29,1936, for Italian soprano Lucrezia Bori, which was broadcast nationally and preserved on transcription discs.