“The Sound of Music” star Charmian Carr will be in attendance Aug. 10 for the

sing-a-long version of the film.

Imagine yourself in a dimly lit movie theater, re-watching “The Sound of Music” for the umpteenth time, only this time its on the big screen and the entire audience is singing along.

“The hills are alive, with the sound of … ,” an off-key chorus crescendos.

Then, someone would typically yell from the back row — “Shut up! You’re ruining the movie!”

But not at the Lynwood Theatre’s special sing-a-long night.

The Bainbridge theater regularly hosts classic nights, but every so often the film house gets its hands on an especially sing-a-long-inspiring film and unleashes it on the audience, asking them to join the chorus. It’s a special affair indeed.

But this one is a “most special event,” Lynwood manager TJ Faddis said.

The one and only, strikingly blue-eyed Charmian Carr, the actress who famously played Liesl Von Trapp in the 1965 film, will be making a special appearance at the Lynwood, 4569 Lynwood Center Road on Bainbridge, thanks to a request from Bainbridge Island biographer Jean Strauss.

And it is only because Carr will be hanging out on the island and coming to the Lynwood that weekend that the theater was even allowed to show the sing-a-long version of “The Sound of Music.”

As if that weren’t reason enough to attend, costumes are encouraged and prizes will be awarded. Besides — “How often do you get the chance to dress like a goat herder and sing along with Julie Andrews?” the Lynwood’s Web site asks.