Gstreko has seen 50 bands.

Band Concerts Seen
  Beastie Boys 3 concerts
  Fastball 3 concerts
  Foo Fighters 3 concerts
  Fuel 3 concerts
  Save Ferris 3 concerts
  Semisonic 3 concerts
  The B-52's 3 concerts
  Barenaked Ladies 2 concerts
  Bush 2 concerts
  Everclear 2 concerts
  Harvey Danger 2 concerts
  Jazz Fest 2 concerts
  Run-D.M.C. 2 concerts
  The Mighty Mighty Bosstones 2 concerts
  Wyclef Jean 2 concerts
  311 1 concert
  Adam Sandler 1 concert
  Airto and Flora Purim 1 concert
  Alanis Morissette 1 concert
  Alex DeGrassi 1 concert
  Buddy Guy 1 concert
  Chuck Berry 1 concert
  Dave Matthews Band 1 concert
  Debbie Harry 1 concert
  Fishbone 1 concert