Treas has seen 29 bands.

Band Concerts Seen
  5 Seconds of Summer 6 concerts
  Harry Styles 4 concerts
  BTS 3 concerts
  One Direction 3 concerts
  Billy Joel 2 concerts
  Giant Rooks 2 concerts
  Louis Tomlinson 2 concerts
  Niall Horan 2 concerts
  Agust D 1 concert
  Andrew Cushin 1 concert
  Blood Orange 1 concert
  Bring Me The Horizon 1 concert
  Bruce Springsteen 1 concert
  Bruce Springsteen & The E Street Band 1 concert
  Camila Cabello 1 concert
  Charli XCX 1 concert
  Ed Sheeran 1 concert
  Fall Out Boy 1 concert
  Games We Play 1 concert
  Gavin DeGraw 1 concert
  Jonas Brothers 1 concert
  Liam Payne 1 concert
  Meet Me @ the Altar 1 concert
  Pale Waves 1 concert
  Royal & the Serpent 1 concert