Jantzen has seen 107 bands.

Band Concerts Seen
  Pierce the Veil 4 concerts
  Beartooth 2 concerts
  Breaking Benjamin 2 concerts
  Cavetown 2 concerts
  Destroy Boys 2 concerts
  Evanescence 2 concerts
  Gojira 2 concerts
  Hippo Campus 2 concerts
  In This Moment 2 concerts
  Korn 2 concerts
  Muse 2 concerts
  Slipknot 2 concerts
  Aerosmith 1 concert
  AFI 1 concert
  Alanis Morissette 1 concert
  All Time Low 1 concert
  Almost Monday 1 concert
  Amon Amarth 1 concert
  Amyl and the Sniffers 1 concert
  Asking Alexandria 1 concert
  Bastille 1 concert
  Behemoth 1 concert
  Black Veil Brides 1 concert
  blink-182 1 concert
  Brandi Carlile 1 concert