Little Richard and the Million Dollar Quartet Perform at PBS' Annual Capitol Fourth Concert

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They're joined by Glee's Matthew Morrison and Steve Martin at the annual Washington, D.C. event, hosted by Jimmy Smits.

Jimmy Smits hosted A Capitol Fourth in Washington, D.C. Sunday to celebrate the Fourth of July.

Performers included Steve Martin with the Steep Canyon Ranchers, Josh Groban, Glee's Matthew Morrison and American Idol winner Jordin Sparks. Little Richard and the Million Dollar Quartet and Broadway star Kelli O'Hara and the National Symphony Orchestra also hit the stage together.

A Capitol Fourth was hosted by Jimmy Smits on the West Lawn of the U.S. Capitol building.

It aired live on PBS.