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Why locals love it
Frederiksberg is kind of oppressively normal, so a gem like Intime shines that much more. Established in the 1920's (or maybe earlier), the place has always had a huge LBGTQ following and still does. However, calling it a gay bar would also be a bit much.
Why you should visit it
The interior is as though time to stood still, especially while they're singing and playing at the piano. Throughout the week regular singers and pianists entertain the crowd with classic songs, and you're welcome to try out your talents on the crowd - ask the barkeep nicely first, though.
Like Alleenberg down the street, this is one of Frederiksbergs gems and a respite from the oppressive normality around you.