Band members are: Mára CalĂk - guitar, vocals; Pepa Semerád - bass guitar, back vocas; Pavel Neumann - drummer, back vocals; C.O. was formed in march 2005. They are from Čáslav (Czech republic), their style is punk-rock. You can see whole history in czech language on the band site (http://civilniobrana.cz/okapele/historie) Official site http://civilniobrana.cz Read more on Last.fm