Brooklyn Brigade gets GMA gig ... and chance to chant

Sometimes, a single idea can change a narrative. For the Nets, the single idea was that there was a great untapped reserve of Brooklyn fandom, that the old narrative — the Nets had no fans (or worse that they were all hipsters!) — was dead wrong.

Bobby Edemeka, as has been reported by us and others, countered that narrative with his idea for an organic group of fans, the Brooklyn Brigade, that would cheer ... and live and die with their Nets.

The Brigade, now in their 10th season, has received a lot of accolades over the years, including shoutouts from the best player in basketball. And on Wednesday, they got even more recognition, a segment on Good Morning America, ABC’s national morning…