Artificial intelligence sparked boos at the 150th anniversary performance of Wagner’s Ring Cycle. The audience was frustrated that the software could integrate images but not drama.

An experiment with artificial intelligence at the annual Richard Wagner festival in the German town of Bayreuth has drawn boos from the audience after producing a staging that…

Curator Marcus Lobbes and his team were greeted with boos and whistles as they took to the stage at the end of Saturday evening's performance of "Gotterdammerung," German news…