 'Doe maar' translates as "go ahead" or "just do it".Doe Maar was formed in 1978 by Ernst Jansz (CCC Inc., The Slumberlandband).Piet Dekker, with whom Jansz played in The Slumberlandband (1975) and The Rumbones (1977), introduced him to Jan Hendriks and Carel Copier in the spring of 1978 at the farm of Gé van de Donk, who later became their sound engineer.