WASHINGTON -- Patti LaBelle, Jordin Sparks, Michael McDonald and others will join headliner Frankie Valli at "A Capitol Fourth" concert.

Organizers say the July 4 celebration at the National Mall will be hosted by Tom Bergeron of "Dancing with the Stars."

Other performers will include Sara Evans, Kendall Schmidt and Kelli O'Hara. Composer John Williams will conduct a new arrangement for orchestra and chorus of the "Star Spangled Banner" to mark its 200th anniversary.