3KO has had 1 concert.

3KO is most often considered to be Pop, Pop Punk, Ambient, Dance-Pop, Modern Rock, Pop Rap, Downtempo, Post-Teen Pop, Hiphop, Electropowerpop, and Triphop.

The last 3KO concert was on May 05, 2009 at Drafbaan/Stadspark in Groningen, Groningen, Netherlands. The bands that performed were: The Wombats / The Ting Tings / The Hold Steady / Milow / Easy Star All-Stars / The Opposites / Liam Finn / The Cinematics / The Subs / Casiokids / The Black Atlantic / Kim Janssen / Flinke Namen / The Monroes / Voicst / R.o.o.s. / Jannes / Dio / Benni Hemm Hemm / Makebelieve / Krause / Zo Moeilijk / Dudettes / Wannabeastar / Tommy Ebben / Florian Wolff / We Swim You Jump / DeSean / Pushin Wood Soundsystem / Taneytown / M.O. & Brakko / The Wild Berrys / Wia Buze / Journeymen Soundsystem / Kicks for Hot Lips / 3KO / Solace I Guess / Rohbadobh / The Walk & Roger Seventytwo / Perestroika Sound System.