SiR, the R&B singer from Inglewood, CA, seemed lost in thought as he stood behind the Tiny Desk. While his bandmates curiously bounced around the desk, joking and even searching for Bob Boilen, SiR remained particularly focused. About halfway through the performance, he eventually revealed what had been weighing on his heart. He told the NPR crowd he'd lost his infant godson a few days prior and dedicated the performance to him. "We're doing this for him.