In 1978, the PPU recorded Pašijové hry velikonoční (released in Canada as "The Passion Play" at Paul Wilson's company Boží mlýn). The lyrics were written earlier by Vratislav Brabenec. In 1979, followed Jak bude po smrti, being influenced by a Czech philosopher and writer from the first half of the 20th century, Ladislav Klíma. In 1980, they rehearsed and performed a new record, recorded one year later, Co znamená vésti koně (released in Canada as "Leading Horses"). In 1982, Vratislav Brabenec was forced by the police to leave and emigrate to Canada. After he left, the band released its next record Hovězí porážka (1983) and Půlnoční myš (1986, Midnight Mouse). Czech record label Globus International has collected the original work of the Plastic People as 10 CDs, and released them in various forms several times between 1992 and 2004, with various liner notes and photos, and also as a limited edition box set. They have also released other PPU live and solo albums, and related work such as DG 307.