United We Sing: A Grammy Salute to the Unsung Heroes TV Special on June 21 will feature performances by Little Big Town, Tim McGraw and more.

Hosted by Harry Connick Jr., the show features Harry and his filmmaker daughter, Georgia Connick, as they take a road trip across the nation in an RV to thank and celebrate essential workers who risk their lives to keep the country safe.

The special will include performances from Harry, John Fogerty, Jamie Foxx, Herbie Hancock, Cyndi Lauper, Little Big Town, Branford Marsalis, Wynton Marsalis, Dave Matthews, Tim McGraw, Irma Thomas, Jon Batiste, Andra Day, Rockin Dopsie and Trombone Shorty. Sandra Bullock, Queen Latifah, Brad Pitt, Oprah Winfrey, Renée Zellweger and more will deliver messages to America’s unsung heroes.

United We Sing: A Grammy Salute to the Unsung Heroes will air on June 21, from 8–10 p.m. ET/PT on CBS.