Nikki O has seen 63 bands.

Band Concerts Seen
  A Day To Remember 6 concerts
  Andrew W.K. 2 concerts
  August Burns Red 2 concerts
  Dropkick Murphys 2 concerts
  Gogol Bordello 2 concerts
  GWAR 2 concerts
  Less Than Jake 2 concerts
  NOFX 2 concerts
  Rise Against 2 concerts
  The Adicts 2 concerts
  The Casualties 2 concerts
  The Gaslight Anthem 2 concerts
  Alkaline Trio 1 concert
  A Wilhelm Scream 1 concert
  AWOLNATION 1 concert
  Built to Spill 1 concert
  Ca$h Out 1 concert
  Chiodos 1 concert
  Coheed and Cambria 1 concert
  Dead Sara 1 concert
  Deal's Gone Bad 1 concert
  Descendents 1 concert
  Elvis Costello & The Imposters 1 concert
  Enter Shikari 1 concert
  Environmental Encroachment 1 concert