Every spring the Bangor-based Robinson Ballet offers up its program of original works, and every year, the Ballet’s choreographers manage to come up with some challenging, visually intriguing, unique dances for both shows, held over the course of two weekends in Ellsworth and Bangor. Co-artistic director Maureen Lynch doesn’t quite know exactly how it all ends up coming together and thematically gelling, but it always does. It’s unintentional, but she says there’s always an overarching theme running through the performances.

“We don’t usually even talk to one another. Each person just finds either music, or a story they want to tell, and they go from there,” she said. “And it’s very funny because every time, at least it seems, the show always kind of comes together as a unit and there always seems to be a thread that goes through it, even if we don’t get together and talk about what we’re going to do.”

The four Robinson Ballet choreographers for this year’s show are Lynch, her husband and co-artistic director Keith Robinson, Stevie Dunham and Terry Lacy, who have created the pieces “Flight of Fancy,” “Sketches,” “Alice” and “One Flew Over the Cookoo’s Nest,” respectively. Guest choreographers are Alexander Zendzian, a Bangor native who now dances with the Joe Goode Performance Group in San Francisco, and Ariel Freedman, a New York dancer who has danced with Baryshnikov and the Batsheva Dance Company. Zendzian will perform “Transit,” a solo piece, and will lead a master class for Robinson dancers; Freedman will perform two pieces, “Somehow Show a Sameness; It’s Like Washing an Elephant,” and “It’s Hard To Be Good.” Dancers are currently rehearsing the pieces in Robinson Ballet’s spacious, sunshine-filled upstairs studio in downtown Bangor.

Performances are set for 7 p.m. April 13-14 at Ellsworth High School and April 20-21 at the Bangor Opera House, with a 2 p.m. children’s matinee each day that features three original pieces for younger dancers. Tickets are $15 for adults, $10 for seniors and $5 for children and students.

CORRECTION: In the video it says the matinees are at 3 p.m.; they’re at 2 p.m.