Leni Gruber has seen 20 bands.

Band Concerts Seen
  Isak Danielson 3 concerts
  Only The Poets 3 concerts
  Harry Styles 2 concerts
  Wolf Alice 2 concerts
  Alfie Jukes 1 concert
  Benjamin Ingrosso 1 concert
  Dean Lewis 1 concert
  Finneas 1 concert
  James Arthur 1 concert
  Lena&Linus 1 concert
  Lewis Capaldi 1 concert
  Lizzo 1 concert
  Louis Tomlinson 1 concert
  Måneskin 1 concert
  Mayberg 1 concert
  Michael Aldag 1 concert
  Niall Horan 1 concert
  The Native 1 concert
  TJARK 1 concert
  Zoe Wees 1 concert