Matthias Karolewski has seen 143 bands.

Band Concerts Seen
  Andrew McMahon in the Wilderness 9 concerts
  Something Corporate 5 concerts
  Jack's Mannequin 4 concerts
  Jimmy Buffett 4 concerts
  Bowling For Soup 3 concerts
  Eve 6 3 concerts
  Less Than Jake 3 concerts
  Modest Mouse 3 concerts
  The Killers 3 concerts
  Allen Stone 2 concerts
  Andrew W.K. 2 concerts
  Anti-Flag 2 concerts
  Atlas Genius 2 concerts
  Cheap Trick 2 concerts
  Good Charlotte 2 concerts
  Jimmy Eat World 2 concerts
  New Found Glory 2 concerts
  Night Riots 2 concerts
  Rod Stewart 2 concerts
  Steely Dan 2 concerts
  The Dollyrots 2 concerts
  Yellowcard 2 concerts
  Aerosmith 1 concert
  Alkaline Trio 1 concert
  Andrew McMahon 1 concert