Arclight Hollywood will play host to "Once Upon a...Tarantino", a three-day, nine-film marathon showcasing the films of Quentin Tarantino and culminating in two advance screenings of the filmmaker's latest, Once Upon a Time in Hollywood. The marathon, which takes place between July 19-21, will take place inside the historic Cinerama Dome theater, which opened on Sunset Boulevard in the early days of the Golden Age 60s Tarantino explores in Once Upon a Time. [caption id="attachment_756300" align="alignright" width="360"] Image via Sony Pictures[/caption] “Quentin Tarantino is an important filmmaker who values unique and …