Kowalski has seen 13 bands.

Band Concerts Seen
  Becky G 1 concert
  Cast in Bronze 1 concert
  Céline Dion 1 concert
  Christina Perri 1 concert
  Demi Lovato 1 concert
  MKTO 1 concert
  Restore All Vengeance 1 concert
  Sia 1 concert
  The Beatles Love By Cirque Du Soleil 1 concert
  The Mowgli's 1 concert
  The Naked Brothers Band 1 concert
  Trans-Siberian Orchestra 1 concert
  Vinyl Theatre 1 concert