Mills has seen 33 bands.

Band Concerts Seen
  Carver Commodore 6 concerts
  COIN 2 concerts
  Shakey Graves 2 concerts
  5 Seconds of Summer 1 concert
  Andrew Cushin 1 concert
  AWOLNATION 1 concert
  beabadoobee 1 concert
  Beach Fossils 1 concert
  Bendigo Fletcher 1 concert
  Blackstarkids 1 concert
  Brother Moses 1 concert
  Chris Renzema 1 concert
  Daniel Nunnelee 1 concert
  Fall Out Boy 1 concert
  Foals 1 concert
  Gracie Abrams 1 concert
  Harry Styles 1 concert
  Jervis Campbell 1 concert
  JOJO Siwa 1 concert
  Louis Tomlinson 1 concert
  Meet Me @ the Altar 1 concert
  PACIFIC 1 concert
  Paramore 1 concert
  Post Malone 1 concert
  PVRIS 1 concert