<prompt> Qedela lo musho olandelayo: Ngo-1967 wathola umklomelo we-Zlatý slavík . Ingoma yakhe ethi Prayer for Marta yaba uphawu lokumelana kukazwelonke ne-  <response>: ukuthunjwa kwamasosha aseWarsaw Pact ngo-1968. Ngesikhathi sePrague Spring, waqopha amarekhodi e-SP angaphezu kwama-200 kanye ne-LP eyodwa, Songy a Balady Izingoma namaBallads, akhishwe ngo-1969, eyavinjelwa ngokushesha ezitolo. Ngo-1970, uhulumeni wamangalela ngamanga ngokwenza izithombe zobulili ezingcolile okwaholela ekuvinjelweni kokwenza ezweni kuze kube ngu-1989. Wayesayine isimemezelo seCharter 77. Ama-LP akhe okuqala ngemuva kweVelvet Revolution ngo-1989 kwaba ukuphinda kukhishwe i- Songy a Balady kanye nokuhlanganiswa kwezingoma ezindala, ezibizwa nge- Lampa. 