In case you somehow forgot, Jay-Z has a partial ownership stake in the Brooklyn Nets, who call the much-discussed Barclays Center home. And to celebrate his 43rd birthday today, jigga man posted a 25-minute documentary to his YouTube channel, detailing the rise of the arena he helped build. It’s as epic an bombastic as you’d expect, but there are a few worthwhile, humanizing moments–check out the footage of Jay-Z’s R train ride to the final show of his opening run at the center, which prompted some fans on the train to freak the fuck out, and one old woman wondering what all the fuss is about.