After an exclusive Force Awakens scene debut and surprise Star Wars–themed introduction from Harrison Ford, Pentatonix rocked the American Music Awards on Sunday night with an a cappella mix of the movies’ most popular musical themes. The quintet, dressed in SW-inspired garb, performed with John Williams’s orchestra, showing off their classical talents with tremendous aplomb. The singers told Rolling Stone beforehand that viewers could expect something epic, and the result (watch above) did not disappoint. Oh, and as for that newly released Force Awakens clip: