Mattanja has seen 44 bands.

Band Concerts Seen
  5 Seconds of Summer 3 concerts
  ATEEZ 2 concerts
  EBEN 2 concerts
  Eric Nam 2 concerts
  One Direction 2 concerts
  Paramore 2 concerts
  Shawn Mendes 2 concerts
  Taylor Swift 2 concerts
  The Rose 2 concerts
  Why Dont We 2 concerts
  Alexander Stewart 1 concert
  Big Time Rush 1 concert
  BLACKPINK 1 concert
  Camryn 1 concert
  Charlie Puth 1 concert
  Coldplay 1 concert
  Demi Lovato 1 concert
  (G)I-DLE 1 concert
  Griff 1 concert
  Harry Styles 1 concert
  IVE 1 concert
  Jonas Brothers 1 concert
  Jordan McGraw 1 concert
  Joshua Bassett 1 concert
  JOY. (Aus) 1 concert