Sumner has seen 122 bands.

Band Concerts Seen
  Cyndi Lauper 2 concerts
  Emily Nenni 2 concerts
  Grouplove 2 concerts
  Mr. Sam and the People People 2 concerts
  Walk the Moon 2 concerts
  A Day To Remember 1 concert
  Alanis Morissette 1 concert
  Andrew Marlin 1 concert
  Art D'Ecco 1 concert
  Ashley Monroe 1 concert
  Barenaked Ladies 1 concert
  Bearaxe 1 concert
  blink-182 1 concert
  Bonnie "Prince" Billy 1 concert
  Brandon Flowers 1 concert
  Briston Maroney 1 concert
  Catfish and the Bottlemen 1 concert
  Cat Power 1 concert
  Cheap Trick 1 concert
  Chris Acker 1 concert
  Christian Lee Hutson 1 concert
  Cold War Kids 1 concert
  Colin Hay 1 concert
  Daniel Villareal Group 1 concert
  Dean Johnson 1 concert