Patrons at a local Philadelphia gay bar got a huge surprise this week.

On Monday night, country star Kacey Musgraves stopped by Tavern on Camac piano bar, the city’s longest-running gay bar, to serenade everyone.

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Musgraves sang a cover of the Fleetwood Mac classic “Dreams”, joined by a backing singer and pianist.

As she got to the song’s chorus, the crowd at the bar joined in.

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Musgraves was in Philadelphia for a concert Wednesday night as part of her “Star-Crossed: Unveiled” tour, which is scheduled to conclude in Toronto on Feb. 25.

Over the summer, the singer will jet to Europe to perform at a number of festivals, including Lollapalooza Stockholm.