In 2000 Greenblatt along with best friend Balthazar Getty formed the hip production company 5150 productions which saw the making of there first full length feature "Shadow Hours" in which Getty stared in and was an official selection at the Sundance film festival that same year. Following Sundance Greenblatt created a music video division of the company and signed his first director legendary rock director Marc Rocco who worked with such bands as Nirvana, STP and Janes Addiction. Greenblatt and Getty saw the music video division as a way to create more of a creative think tank for other film makers to launch there ideas and have access to the feature world.