Nyora kupfuurira kweiyi ndima - Muna 1967 akahwina mubairo weZlatý slavík (). Rwiyo rwake "Prayer for Marta" rwakava chiratidzo chekuramba kwenyika kurwisa basa revarwi veWarsaw Pact muna 1968
. Munguva yePrague Spring, akarekodha anopfuura 200 SP zvinyorwa uye imwe LP, "Songy a Balady" (Nziyo neBallads, yakaburitswa muna 1969), iyo yakarambidzwa kubva muzvitoro. Muna 1970, hurumende yakamupomera zvenhema kuti aitora mifananidzo inonyadzisira zvichiita kuti arambidzwe kutamba munyika yacho kusvika muna 1989. Akanga ari mumwe wevakasaina Chinyorwa 77 chiziviso. MaLP ake ekutanga mushure meVelvet Revolution muna 1989 yaive kuburitswazve kwe "Songy a Balady" uye muunganidzwa wenziyo dzekare, yakanzi "Lampa".