Over the years Sterling MacKinnon has quietly carved out an essential role for himself. As half of Cuneiform Tabs (W.25/Superior Viaduct, World of Echo), an original member of Violent Change (Slothmate), and the sole driver behind False Berries (Slothmate), he has functioned as a facilitator of momentum - a kind of midfield presence. You know, the number 8; vision, restraint, distribution. The one who sees the play before it fully forms and moves it along accordingly. There’s a certain amount of…