sentences:  In April 2013, Groff joined another HBO production, playing Craig Donner in the film adaptation of Larry Kramer's play "The Normal Heart".He returned to the London stage on May 19, 2015, to star in a one-night-only concert of the musical "How to Succeed in Business Without Really Trying", at the Royal Festival Hall.Groff starred in a production of the musical "A New Brain", presented as part of the New York City Center's Encores!