Our Cinematical compatriots attending this year's Sundance Film Festival won't get their first look at Marc Webb's 500 Days of Summer until later this evening at the earliest, but in the meantime, Trailer Addict has offered up our first look at what may or may not be the musical reminiscence of a fractured relationship between Joseph Gordon-Levitt's Tom and Zooey Deschanel's Summer.

It's a peculiar trailer for what I'm sure is a peculiar movie, but I like what (admittedly little) we're seeing and hope that we only get verification from Park City that this project is indeed something unique and charming, and not merely quirky, a four-letter film festival word if ever I've heard one.

Fox Searchlight had distribution of the film going into the fest, and they're already eyeing a limited roll-out starting in, yes, the summer -- on July 24th, to be exact. If they manage to turn this into the type of sleeper success that they crank out time and time again, let's hope that the film deserves it.