PREVIEW: Role and location make it a (Twelfth) night to remember

In the romantic comedy Twelfth Night, the music you’ll hear is bluegrass. Behind that, you might also hear a triangle — or, at least, a love triangle.
It’s an acute love triangle as Shakespeare imagines it. And it’s also a bit obtuse. Orsino loves Olivia. But Olivia falls for Cesario, who is actually Viola in disguise. But Viola loves Orsino.
Got that straight, or is it still a bit . . . scalene?
“It’s so much fun,” says Caitlin Vancoughnett, who plays O