John Blackwell was a professional drummer who worked with Prince and Justin Timberlake among others. He died July 4, 2017. See my older post on his passing. The reason for this update is that he died 215-days before Super Bowl 52, won by the team from the (215) area code, and the same game where Prince was paid tribute to by Justin Timberlake. Further, he died on July 4, the nation’s birthday, and having much to do with the symbolism of the game. Plus he was from South Carolina where the train crash ritual took place before the Super Bowl.
His name also summed to 223, like Philadelphia: