Just about everyone has a moment when they fell in love with Hip-Hop: this poignant instance that you can’t help but recall in vivid detail years later like it was yesterday. You laugh or get excited just thinking about it. It’s a hypnotizing, aural-based epiphany — a sensory overload where you’ve been exposed to something new, vibrant, and somewhat overwhelming simultaneously. I’d safely imagine this might have been what Boston native Ben “DJ Yamin” Epstein felt when he witnessed DJ DNA of the Urban Dance Squad spin for the first time back in 1990. Over the years, while trying to find a catchy stage name, yet one that…