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Additional Box Office Hours: Starting Dec. 4, the Box Office at Proctors will be additionally open 10 a.m. - 2 p.m. on Sundays during the Schenectady Greenmarket. The box office will continue to be open Monday- Saturday 10 a.m. - 6 p.m. weekly.

Mamma Mia! opens at theREP

Mamma Mia! cast and crew members gather for a champagne toast after the show on the opening night

The show runs through Aug. 13.

Opening night was a party filled with boas, champagne and lots of dessert. Members of the cast, crew and audience cheered together after a toast to the show and the people who made it possible. Browse photos and watch video from the big night.