Micheal Giachchino 100% confirmed today that he is indeed the new composer for Rogue One: A Star Wars Story. Giachchino is known for his work on the new Star Trek films as well as many popular TV shows, such as LOST.
— Michael Giacchino (@m_giacchino) September 16, 2016
Yesterday we reported that the The Hollywood Reporter had word that Giacchino had joined the film. I am very excited to see what Giacchino brings to the table as I am a huge fan. He has tons of time to create a rocking soundtrack.