I'm trying to remember a song. It has a music video, and

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I'm trying to remember a song. It has a music video, and it's got to be from the last 5-ish years. It's electronic, but it does have vocals. I believe the title is something like "I'm ____ the night," but that's all I've got.

Actually, the main thing I've got is that the music video goes like this: an old-ish dude is pushing a cart, but the cart actually plays music; it's even got lasers and stuff, and at one point a woman (herself covered with lights) climbs out of the cart and begins dancing along with him. Amazingly, I even seem to remember that the dude has a mouthful of several laser-cigarettes that light up to the music--or something.

It's killing me not being able to figure out the name of the song. I'd love your help!