Katarzyna Tomkiewicz has seen 17 bands.

Band Concerts Seen
  Harry Styles 5 concerts
  AJR 1 concert
  Beyoncé 1 concert
  Coldplay 1 concert
  H.E.R. 1 concert
  Iggy Pop 1 concert
  Imagine Dragons 1 concert
  Jonas Brothers 1 concert
  Kaytranada 1 concert
  Metallica 1 concert
  Mike Dean 1 concert
  Niall Horan 1 concert
  Paramore 1 concert
  Red Hot Chili Peppers 1 concert
  Taylor Swift 1 concert
  The Mars Volta 1 concert
  The Weeknd 1 concert