Anthrax frontman Joey Belladonna sang the U.S. national anthem at the Denver Broncos game against the Kansas City Chiefs on Sunday (29th). Belladonna shared a video of the performance, held at Empower Field at Mile High Stadium in Denver, Colorado, along with the following statement:

“Thank you Denver Broncos for your hospitality and the honor to sing the National Anthem at Mile High Stadium! And without saying, thank you to the 62nd Air Force Squadron from Luke Air Force Base for their participation and service.”

Watch the clip below: