BK dad Doug Berns turns Knicks game recaps into viral musical parodies: ‘It’s mind blowing’

This Knicks fan is dropping bars after the buzzer. Brooklyn-based audio engineer and musician Doug Berns is making waves in the Knicks fandom this season with bizarre musical recaps of each game — which he writes, shoots and uploads with a lightning-speed turn-around of less than a day. Musician Doug Berns, 37, at his Prospect…