In 2021 Katka saw 10 performances during 1 concert with 10 bands at 1 venue in 1 location.

Date Concert Venue Location
Aug 21, 2021
Rock Castle Open Air Festival (Day 3 of 3)
Dirkschneider / Axxis / Freedom Call / Brainstorm / Moonlight Haze / Autumn Bride / Surma / Bastard / Solar System / 100 na 100
  Setlists
Zámecký Areál, Moravský Krumlov Moravský Krumlov, South Moravian, Czechia