This isn't a review, but a news account that mentions some minor trouble the show had on opening night. They needed more electricity.
http://www.berkeleyside.com/2017/02/18/ ... -berkeley/The Julia Morgan Playhouse on College Avenue was plunged into darkness on the opening night of Billy Elliot, according to Berkeleyside’s Emilie Raguso. Theatergoers had just returned from intermission and the lights went out mid-scene, around 9:10 p.m.