Petr Špička
As a secondary school student, Petr started playing guitar in punk bands in the nineties and is one of the founders of Pitbull Diesel hardcore band.
Subsequent to taking some time out from music, Petr later met Martin and transitioned to a more melodic style in band Ganz Egal, which would later metamorphose to Sunday Chess.
In 2019, Petr was the final member to join OMO.