Katt 21 has seen 14 bands.

Band Concerts Seen
  ALAMAT 1 concert
  BE‘O 1 concert
  BINI 1 concert
  Brave Girls 1 concert
  Calista 1 concert
  G22 1 concert
  Hyolyn 1 concert
  Lady Pipay 1 concert
  Loona 1 concert
  Park Bom 1 concert
  Press Hit Play 1 concert
  SB19 Felip 1 concert
  Viviz 1 concert
  VXON 1 concert