Ultimate Beatles are among artists performing in Wolverton's Western Road Recreational Ground, also known as The Top Rec near Wolverton Leisure Centre on Sunday (June 25).
John, Ringo, Paul and George have been booked by Wolverton Council as part of the MK50 Event.
They'll be live in the early evening, finishing by 8pm, and entry is free.
"You'll love it, yeah yeah yeah," they promise.
