Kerttu has seen 12 bands.

Band Concerts Seen
  Ed Sheeran 1 concert
  Giant Rooks 1 concert
  Harry Styles 1 concert
  James Bay 1 concert
  Jonas Brothers 1 concert
  Jordan McGraw 1 concert
  Kelsea Ballerini 1 concert
  Milky Chance 1 concert
  The Driver Era 1 concert
  The Wrecks 1 concert
  Wolf Alice 1 concert
  Zara Larsson 1 concert