Titan24 has seen 20 bands.

Band Concerts Seen
  Dance Gavin Dance 2 concerts
  All That Remains 1 concert
  Animals as Leaders 1 concert
  Body Thief 1 concert
  Code Orange 1 concert
  Eidola 1 concert
  Knocked Loose 1 concert
  Magnolia Park 1 concert
  Maxo Kream 1 concert
  Mayday Parade 1 concert
  Miss May I 1 concert
  $Not (US) 1 concert
  Real Friends 1 concert
  Royal Coda 1 concert
  Ski Mask The Slump God 1 concert
  Tallah 1 concert
  $uicideboy$ 1 concert
  Varials 1 concert
  Veil of Maya 1 concert
  Wolf & Bear 1 concert