J1 Sy has seen 372 bands.

Band Concerts Seen
  Baroness 5 concerts
  Anthrax 4 concerts
  Bullet for My Valentine 4 concerts
  Testament 4 concerts
  The Dillinger Escape Plan 4 concerts
  Airbourne 3 concerts
  Amon Amarth 3 concerts
  Bring Me The Horizon 3 concerts
  Deftones 3 concerts
  Dragonforce 3 concerts
  Killswitch Engage 3 concerts
  Metallica 3 concerts
  Slayer 3 concerts
  5th Avenue 2 concerts
  Adé 2 concerts
  Adorned Brood 2 concerts
  A FINE DAY TO EXIT 2 concerts
  Arkaea 2 concerts
  ASP 2 concerts
  Axel Rudi Pell 2 concerts
  Bai Bang 2 concerts
  Battles 2 concerts
  Beneath 2 concerts
  Bloodwork 2 concerts
  Borknagar 2 concerts