Opera Theatre of Montclair will preview its upcoming production of Rossini’s “La Cenerentola” (Cinderella) at this Saturday’s Montclair Center Stage, Aug. 26.

At 5:30 p.m., members of OTM’s orchestra will serve as the “warm-up” act for the narrated performance. Among the cast is soprano and OTM founder and general manager Mia Riker-Norrie, singing the role of evil stepsister Clorina.

Montclair Center Stage is a free open-air weekly music stage at the corner of Bloomfield Avenue and Church Street.

The fully staged production of “La Cenerentola” will take place on Sept. 14 and 22 at 8 p.m., and Sept. 16 and 23 at 4 p.m., at United Way of Northern New Jersey, 60 South Fullerton Ave.

For more information or to purchase tickets, visit or call 973-202-7849.