Mackenzie Hartz has seen 67 bands.

Band Concerts Seen
  Fifth Harmony 23 concerts
  Camila Cabello 14 concerts
  Billie Eilish 13 concerts
  Taylor Swift 11 concerts
  Charli XCX 8 concerts
  Harry Styles 8 concerts
  Madison Beer 8 concerts
  Bazzi 6 concerts
  Jacob Whitesides 6 concerts
  Audriix 5 concerts
  Jasmine V 5 concerts
  Maggie Lindemann 5 concerts
  Bea Miller 4 concerts
  Blood Orange 4 concerts
  Denzel Curry 4 concerts
  Halsey 4 concerts
  Natalie La Rose 4 concerts
  Shawn Mendes 4 concerts
  Austin Mahone 3 concerts
  Sabrina Carpenter 3 concerts
  Ariana Grande 2 concerts
  Childish Major 2 concerts
  Daya 2 concerts
  Debby Ryan 2 concerts
  Finneas 2 concerts