Andrew 20 has seen 11 bands.

Band Concerts Seen
  Lamb Of God 2 concerts
  Megadeth 2 concerts
  Beartooth 1 concert
  Black Veil Brides 1 concert
  Dance Gavin Dance 1 concert
  Falling In Reverse 1 concert
  Jeris Johnson 1 concert
  Knocked Loose 1 concert
  Santana 1 concert
  Sylar 1 concert
  Tech N9ne 1 concert