Question: What are the names of the current members of  American heavy metal band who wrote the music for  Hurt Locker The Musical? 
Sentence (from "Hurt Locker (musical)"): The Playbills, which describe the musical as having "explosions, negligible storytelling, camouflage and tits", also state that the musical's cast included actors such as Taye Diggs (who would go on to play the role of Hedwig in the summer of 2015) and that the music was written by Metallica and Stephen R. Schwartz, which is the real name of "Hedwig" songwriter Stephen Trask.
Relevant evidence: Yes