Greta Millett has seen 16 bands.

Band Concerts Seen
  Coldplay 3 concerts
  Alessia Cara 1 concert
  Billy Joel 1 concert
  Bishop Briggs 1 concert
  Bruce Springsteen 1 concert
  Bruno Mars 1 concert
  Elton John 1 concert
  Foo Fighters 1 concert
  Kanye West 1 concert
  Katy Perry 1 concert
  Rihanna 1 concert
  Stevie Wonder 1 concert
  The 1975 1 concert
  The Hives 1 concert
  Travis Scott 1 concert
  Willie Nelson 1 concert