Koush has seen 13 bands.

Band Concerts Seen
  Kouji Wada 2 concerts
  Masaki Endoh 2 concerts
  Miyazaki Ayumi 2 concerts
  Eduardo Falaschi 1 concert
  Hironobu Kageyama 1 concert
  Hiroshi Kitadani 1 concert
  Nobuo Yamada 1 concert
  Pato Fu 1 concert
  Ricardo Cruz 1 concert
  Takayoshi Tanimoto 1 concert
  Wasabi 1 concert
  Yoko Ishida 1 concert
  Yumi Matsuzawa 1 concert