Earlier this week, Broadway fans received a major discount on tickets to the $13 million show Gettin’ the Band Back Together, as tickets were accidentally priced for a mere $16.95 instead of the actual price of $169.50.

According to Forbes, industry insiders suspect that as the show approached its first preview performances, the general manager accidentally submitted the incorrect price to Telecharge. Therefore, when the tickets were made available for sale, every seat in the house was listed as only $16.95. Broadway fans snatched up the discounted seats – which equated less than a show at the local movie theater.

It took the companies over four hours to detect and then fix the error.

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“When we were alerted to the issue, it was immediately corrected,” Ken Davenport, the lead producer, general manager, and co-author of Gettin’ the Band Back Together, said. “We will, of course, honor any tickets purchased at the lower price.”

While fans get to keep their cheap seats, this might mean that the musical’s revenues will decline at the box office, especially because the show was more expensive to make than most recent Broadway hits. Single tickets to the show start at $39, and during previews, which will run through August 13, guests who buy a regular priced ticket will receive another for free.

Gettin’ the Band Back Together, which revolves around a high school garage band reuniting after a two-decade long split, will open next month at New York City’s Belasco Theatre. Previews begin July 19.

Visit Ticket Club to find tickets to the show this year.