The Concert for Valor

[3] Performers included Bruce Springsteen, The Black Keys, Rihanna, Eminem, Zac Brown Band, Jennifer Hudson, Carrie Underwood, Metallica, Dave Grohl, and Jessie J.

[4][5] The show featured onstage hosts Jack Black, Bryan Cranston, Jamie Foxx, George Lopez, John Oliver, and Bob Woodruff.

There were special tributes by Tom Hanks, Will Smith, Steven Spielberg, Meryl Streep, Oprah Winfrey, and Reese Witherspoon.

[6][7] This estimate was based on a permit filed with the United States Park Police.

[citation needed] A couple of the performances drew questions as to their propriety for the event: one for "Fortunate Son" on its lyrics and one for Eminem on his profanity-laced tribute to Veterans Day.