Complex sentence: In 2012, the Grand Théâtre de Genève presented a production of the opera, under the direction of Christof Loy who invited the Swedish contemporary artist Jonas Dahlberg to create the set design.
Split into simpler sentences: In 2012, Le Grand Théâtre de Genève presented a production of the opera, under the direction of. Loy invited the Swedish contemporary artist Jonas Dahlberg to create the set design.