Will Mahaffy has seen 29 bands.

Band Concerts Seen
  OneRepublic 4 concerts
  half•alive 3 concerts
  The Band Camino 3 concerts
  5 Seconds of Summer 1 concert
  American Authors 1 concert
  Arrested Youth 1 concert
  Bop Skizzum 1 concert
  Daisy the Great 1 concert
  Dan + Shay 1 concert
  David Cook 1 concert
  Dermot Kennedy 1 concert
  DREAMERS 1 concert
  Elektric Animals 1 concert
  Fitz and the Tantrums 1 concert
  Flobots 1 concert
  Ingrid Andress 1 concert
  James Arthur 1 concert
  Jon Bon Jovi 1 concert
  Matt Morris 1 concert
  My Chemical Romance 1 concert
  Taking Back Sunday 1 concert
  Tessa Violet 1 concert
  The Chainsmokers 1 concert
  The Fray 1 concert
  The Script 1 concert