Check this out: Green Day was on stage Wednesday night in Detroit when stadium security informed them of a "drone threat," leading to this scene right here:

Another angle:

Imagine being at this concert!

You'd wonder if it was part of the show, or maybe if the band had gone backstage to take a nap until September ends.

Here's what the band had to say:

Talk about dreaming of a song, but something went wrong...

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