In 2011 Klaudia Mreńca saw 53 performances during 2 concerts with 53 bands at 2 venues in 2 locations.

Date Concert Venue Location
Jun 30, 2011 –
Jul 03, 2011
Heineken Open'er Festival 2011
Caribou / Coldplay / Enej / Fat Freddy's Drop / Jazzpospolita / Paolo Nutini / Pustki / Simian Mobile Disco / The National / The Twilight Singers / Tides From Nebula / Two Door Cinema Club / Brodka / Crystal Fighters / Foals / Pogodno / Pulp / Sea Power / Marcelina / Daktari / Twilite / D4D / British Sea Power / Cut Copy Dj Set / Youssou N’Dour / Primus / Prince / Paristetris / The Asteroids Galaxy Tour / Kate Nash / Kim Nowak / Chapel Club / Gooral / Big Boi / The Black Tapes / The Wombats / The Strokes / M.I.A. / Deadmau5 / These New Puritans / James Blake / Hurts / Chromeo / Vavamuffin / Foals / Pfk Kompany Show all bands
  Setlists
Gdynia-Kosakowo Airfield (Lotnisko Gdynia-Kosakowo) Gdynia, Pomerania, Poland
Jun 17, 2011 –
Jun 18, 2011
Orange Warsaw Festival 2011
Moby / Jamiroquai / My Chemical Romance / Plan B / Skunk Anansie / Sistars / Michał Szpak / Fox
  Setlists
PGE Narodowy Warsaw, Mazovia, Poland