Can't think of the name of this song?!

in the music video, there is this lady from olden times dressed in old-fasioned clothes, I think she's a servent or a maid, and she finds like a mirror or maybe a portal and she sees the present day of the band singing in front of the crowd and i think see get pulled in or something!.
I can't think of the name of this song, could anyone please help!?Www@Enter-QA@Com

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