Charles John has seen 12 bands.

Band Concerts Seen
  SEVENTEEN 6 concerts
  ENHYPEN 2 concerts
  iKON 2 concerts
  Wanna One 2 concerts
  Bigbang 1 concert
  BTS 1 concert
  Girls' Generation Taeyeon 1 concert
  Infinite 1 concert
  IU 1 concert
  NCT 127 1 concert
  Taylor Swift 1 concert
  TJ Monterde 1 concert