from 1963 to 1965 he was the vocalist of the pioneering classic rock group olympic, and from 1967 he subsequently performed as a member of the semafor musical theatre, with jiří brabec. during his career, he performed and recorded his own versions of rock-based standards, such as lou reed's "walk on the wild side", and frank zappa's "harder than your husband". in the country style, bobek covered kenny rogers' "ruby, don't take your love to town" (with jiří grossmann), and john denver's "take me home country roads" (the latter using czech lyrics by vladimír poštulka).