Mike Lowe still leads the group who performed such classics as "Help Me Rhonda," "California Girls" and "Good Vibrations."
The band also includes Christian Love, Randell Kirsch, Tim Bonhomme, John Cowsill and Scott Totten.
The concert will be at 7:30 p.m. The fair is from Friday, Sept. 13, through Saturday, Sept. 21, at 797 E. Patrick St. in downtown Frederick.
Ticket prices for The Beach Boys appearance are $47 for reserved track seats and $42 for reserved grandstand.
Ticket prices include paid gate admission to the fair.
Mail orders for all of the fair's grandstand events start Monday, April 22. To be added to the fair's mailing list, send your name and complete physical mailing address to email@example.com.