On Friday night, a Swedish singer/songwriter/goddess Robyn took over Madison Square Garden for a sold out show. And what happened after the concert was equally as magical as what took place inside the venue: Robyn fans, packed on to the A/C/E platform at Penn Station (a familiar scene after big shows at MSG) spontaneously burst into song. Below, watch as throngs of Robyn fans belt out "Dancing On My Own" while waiting for the train. It is delightful.

Let's all do this on whatever subway platform we find ourselves on Monday morning and start the week off right.

And here's another sing-a-long, but from inside the show last night: