A massive—and diverse—list of A-list talent is performing HBO's Concert for Valor on Tuesday night as a salute to America's veterans.

Bruce Springsteen, Dave Grohl, Eminem, The Black Keys, Rihanna, Jennifer Hudson, Carrie Underwood and more are set to perform at the event, which is taking place at The Mall in Washington, D.C.

The three-hour event begins at 7 p.m. EST. You can stream it below if you don't have HBO.