Quondam Frequency has seen 435 bands. (Page 15)

Band Concerts Seen
  Red Fang 1 concert
  Rise Against 1 concert
  rival choir 1 concert
  Sanction 1 concert
  SECRETS 1 concert
  SeeYouSpaceCowboy 1 concert
  Seventh Void 1 concert
  Shadow of Intent 1 concert
  Sick Puppies 1 concert
  Signs Of The Swarm 1 concert
  Silverstein 1 concert
  Since October 1 concert
  Skindred 1 concert
  Skinflint 1 concert
  Skylar 1 concert
  Sleeping With Sirens 1 concert
  Society 1 1 concert
  Soundgarden 1 concert
  Spiritbox 1 concert
  Starset 1 concert
  Stars in Stereo 1 concert
  Steller circuits 1 concert
  Stick To Your Guns 1 concert
  Stitched Up Heart 1 concert
  Stitch from MushroomHead 1 concert