21.6.01 has seen 8 bands.

Band Concerts Seen
  Fall Out Boy 1 concert
  Frank Iero and the Patience 1 concert
  Jon Bellion 1 concert
  Judah and the Lion 1 concert
  Misterwives 1 concert
  Panic! At the Disco 1 concert
  Saint Motel 1 concert
  Twenty One Pilots 1 concert