Jantzen has seen 80 bands.

Band Concerts Seen
  Beartooth 2 concerts
  Evanescence 2 concerts
  Gojira 2 concerts
  Korn 2 concerts
  Muse 2 concerts
  Pierce the Veil 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
  Brandi Carlile 1 concert
  Breaking Benjamin 1 concert
  Coheed and Cambria 1 concert
  Crown The Empire 1 concert
  Dayseeker 1 concert
  DeathbyRomy 1 concert
  Depeche Mode 1 concert
  Destroy Boys 1 concert