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Exhausted from the holidays? Blown your budget? Good news — Ja’Duke Productions has a free spectacle planned for the whole family.

On Saturday, Ja’Duke will celebrate its 20th birthday with more than 100 performers taking the stage of the Greenfield High School auditorium for a show celebrating the company’s past, present and future.

In addition to going back in time to relive some of their greatest moments — selections from “Rent” and “Sound of Music” performed by the original Ja’Duke casts — the company will let the audience in on some trade secrets, including what makes Aladdin’s magic carpet fly and how plants talk in “The Little Shop of Horrors.”

The audience will also be treated to selections from Ja’Duke’s original works, a preview of its upcoming production of “Madagascar Jr.,” and the unveiling of Ja’Duke’s 20th anniversary season, based on popular vote.

7 p.m. at Greenfield High School, 1 Barr Ave., Greenfield.